LO is shown in the thermostat display where the room temperature is normally displayed. This indicates that the system is turned off at the thermostat. If no faults are active, the Status screen will show status of each component in the system. Ignition Lockout or Ignition Proving Fault, - Check to be sure manual shutoff valve in gas supply pipe is in the open position. Most Common Problems. How do I get back to start-up? If lower than 14 vdc, replace close-on power-loss power supply (9-v alkaline batteries). I made a mistake on the start-up screens, and hit the right-side button to get to the run mode. If 24 vac is not present, check wiring. Make sure zone module 1 - 4 has the DIP switches set to the left. The temperature sensed by the thermostat is higher than the 99* F (37” C) upper limit of the thermostats display range. Open Thermidistat Control. Perform the Zone Airflow Limit Checkout procedure, lower airflow limit setting if pos- sible. 1. Heat Pump can be connected with Evolution Connex to act as a dehumidifier. Related Manuals for Bryant 189BNV EVOLUTION. If the motor is not operating, replace the motor. 1. Evolution controller Made from 2013-2016 Made from 2016- current Digital display shows fault codes in plain English. Code 72 usually has to do with start components. If the room seems to be colder than usual, turn on the heating system to raise the temperature as needed for comfort within the room. Check current time of day, day of week program settings. - Gas valve defective or gas valve turned off - Manual valve shut-off - Defective Hot Surface Ignitor - Low inlet gas pressure, - Inadequate flame carryover or rough ignition - Green/Yellow wire MUST be connected to furnace sheet metal, BLOWER OUTSIDE VALID SPEED RANGE- Indicates the blower is not operating at the calculated RPM. OFF is shown in thermostat display and heating or cooling system will not start. Economizer operation limited to minimum position. The display will return to normal after the sensed temperature lowers within the 40’ to 99‘ F (5" to 37” C) display range. 26. The blower motor looks like it is having problems. - Check for blown fuse and possible short in 24-v wiring. 1. If open less than 3 minutes status code #33 continues to flash until blower shuts of Flame rollout switch requires manual reset. - Defective blower motor or capacitor. Defective thermostat, contactor, transformer, control relay, or capacitor. If you've scheduled an appointment with your local Bryant ® dealer to come to your home to discuss new products or service your existing system, you've made a great choice. Check for: - Restricted vent - Proper vent sizing - Loose blower wheel - Excessive wind - Dirty filter or restricted duct system. After verifying that the OAT and EC settings and the economizer control board wiring are correct, check to ensure that the 24 vac terminal of the SAT has 24 vac (white wire). This will display the current active system faults. There was a huge number of those heat exchangers fail from rusting thru of the secondary … The microprocessor has malfunctioned. SETUP ERROR- Indicates setup switch "SW-1" or "SW-6" is positioned improperly. If OAT, EC, and control board are functioning and wired properly and no 24 vac exists, check wiring. Y1 is called for, and damper is at minimum position. 1. 2. Thermidistat Control cannot properly read room temperature. To clear recent fault history, put setup switch "SW-1" in the "ON" position and jumper thermostat terminals "R", "W/Wl" and "Y/Y2" simultaneously until an "11" is flashed. The Bryant Evolution Plus 95S furnace is a variable-speed condensing gas furnace that can achieve an AFUE rating of up to 95 percent. Make sure to verify AM/PM indicator is accurately displaying desired time settings. It seems to work well, but recently has started turning off before it gets to the temperature we've set for it. NO FAULT IN RECENT HISTORY DISPLAY- Indicates no faults have occurred within the last five cycles. Status Code 42 - Inducer Motor Fault. 1. I recommend having your furnace serviced. INVALID MODEL SELECTION- Indicates model plug is missing or incorrect. 4. Compressor rotating in the wrong direction (unit sizes 048, 060 and 072). Recheck wiring to ABCD connector on outdoor unit. Add other devices one at a time to determine where the communication issue exists, Display says “Outdoor Unit Not Found”, and I have a two-stage communicating outdoor unit. (Follow start-up pro- cedures if you must reset switch or knob to ON position.). Status Code 41 - Blower Motor Fault. See also: User's Information Manual. One digit is shown by the number of long blinks and the other digit is by a number of short blinks. HI is shown in the thermostat display where the room temperature is normally displayed. If not, Disconnect all wires . Bryant Furnace Repair Help. Review the CHECK status indicator light to see if it is lit. Check for 24vac at equipment terminals. Defective run/start capacitor, overload, start relay. If not present, check wiring. Thermidistat Control cannot properly read outdoor temperature. Check thermostat wiring to make sure that the fan control wiring is connected to the correct terminals on the wiring terminal block. Check filter and replace if necessary. Thermostat does not turn on heating or cooling system. Compressor will not start but outdoor fan runs. Video. 222,341. Clean or replace filter and then press VACATION and HOLD/END buttons together to reset. Compressor and outdoor fan will not start. Instructions .................................................................................................. 1. To read recent fault history, put setup switch "SW-1" in the "ON" position. Perform the Zone Airflow Limit Checkout procedure, raise airflow limit setting, if possible, Some zones provide too much airflow and are noisy, 1. View solutions. LED CODE Solution; 11: NO FAULT IN RECENT HISTORY DISPLAY- Indicates no faults … Faulty outdoor-fan (cooling) or indoor-fan (heating) motor or capacitor. 1. Blower will run for 4 minutes or until open switch remakes whichever is longer. Press and hold the right side button for 3 seconds. Either run or start capacitor could be bad, or start relay could be bad. If LED2 reappears, replace main control board. If display still reads “Indoor Unit Not Found”, disconnect accessories and all devices from ABCD and connect User Interface directly to indoor unit with a short piece of thermostat wire. See Installer Setup to force HUM or DEHUM. The tables below are troubleshooting instructions for different models of Bryant Thermostat brand. After the compressor short cycle protection 5-minute period expires the system should start within a minutes time. Lower thermostat setting below room temperature. Check fuse, circuit breaker and thermostat wiring as appropriate to verify AC power is available. The first problems with a Bryant Thermostat device often appear several weeks or months after the purchase, when many cannot find documents for the equipment. Internal failure. Here's what to expect during an appointment with your Bryant dealer: The 042 and 14 units can deliver 1-1/2 to 3-1/2 tons A/C and 600 to 1400 CFM for continuous fan. 3. The 060 and 20 unit can deliver 2 to 5 tons A/C and 800 to 2000 CFM for continuous fan. Check voltage potential across batteries. It even makes scheduling a breeze. Control board needs to be replaced. The Bryant heat pump flash codes given in the tables and their descriptions are meant to give you the key to the possible problems you have with your heat pump. Economizer control board incorrectly wired or not functioning. Thermostat turns on heating instead of cooling. If display does not appear, re- place Thermidistat Control. Control says I have zones 5-8 but not 1-4. Auto reset after three hours. light should be flashing. Make sure zone module 5-8 has the DIP switches set to the right. If open longer than 3 minutes, code changes to lockout #13. System is stuck in defrost. 2. I own a Bryant Model 355CAV060100 natural gas furnace that was installed in my house in 2010 and worked well for 2-3 years and then occasionally/rarely indicated a failure on the Evolution thermostat. Dirty air filter (cooling) or dirty outdoor coil (heating). Thermostat turns on cooling instead of heating. *Stuck high heat solenoid in gas valve. Only high stage operation is aveliable. Replace back-up batteries before re-programming thermostat to make sure you have back-up power. If 24 vac is not present, check wiring. Check that SW3 is properly making contact with the damper blade. See Compressor Protection section for full explanation of this feature. I have 15 years old Bryant 80% furnance attached to evaporator coil in the attic. INVALID BLOWER AIRFLOW SELECTION- Indicates improper "A/C" or "CF" switch setting. This is below the normal thermostat temperature setting range of 45* to 90* F(7* to 32* C). Carrier Unit throwing code: 82 suction overt emp lockout. Fault: Outdoor Air Temp Sensor Fault SECONDARY VOLTAGE FUSE IS OPEN Check for: - Short circuit in secondary voltage (24VAC) wiring. Insufficient indoor airflow (cooling mode). Compressor motor burned out, seized, or internal overload open. Founded in 1904, Bryant has been manufacturing home climate control systems for over 100 years. It is ozone-friendly and is very quiet in its processes. Compressor cycles (other than normally satisfying thermostat). Need help finding your model number? 1. It should measure 102-105 The Evolution series is Bryant’s top line of furnaces; this series was included in the Evolution lineup as late as 2010. Some zones in my zoned system do not provide enough comfort. If not present, check wiring. If a minimum of 18 vdc is present and the motor is still not operating, replace the motor. IGNITION PROVING FAILURE - Control will try three more times before lockout #14 occurs. 11 possible causes and potential solutions . Set at correct temperature (3 F below indoor space temperature). Check this emergency power supply on a regular basis or whenever the filters are changed. Bryant dealers are known for great service and a reputation for doing Whatever It Takes ® to keep you and your family comfortable. And we've made them easier to find than ever before. If the indoor fan and economizer motor are energized, verify that there is a minimum of 18 vdc at the positive motor terminal. Manage your Evolution … Fan continues to run all the time whether the system is on or off. ^Improper high or low heat qas input adjustment. The house gets cold is one symptom. The Residual Cooling Fan Control Feature can allow up to a 90 second fan delay after cooling system shutdown for energy efficiency gains. Fault: Low Pressure Switch or Discharge Temp Switch Open. Amber Led Flash Code Fault Possible Cause and Action; On solid, no flash: None: Normal operation: Rapid continuous flashing: Standart Thermostat Control 288ANA/180ANA only: Unit being controlled by standart thermostat inputs instead of Evolution Control. On carrier / Bryant furnaces there is a red Led light behind a small window that will blink a two digit code. Lately, I noticed the furnance works about 4 minutes only and found out LED was blinking displaying code 33. If code is flashing, unit will default tp closest allowable airflow. LIMIT CIRCUIT FAULT - Indicates a limit, or flame rollout is open. Check that SW1 is in the NC (normally closed) position. Make sure all colors match for every terminal. PRESSURE SWITCH DID NOT CLOSE OR REOPENED - If open longer than five minutes, inducer shuts off for 15 minutes before retry. Move the system selector switch to the HEAT or COOL position. Blocked outdoor coil or dirty air filter. After the compressor short cycle protection 5-minute period expires the system should start within several seconds. It can be connected to all Bryant thermostats! Check for ^Improper or misaligned limit and/or limit shield. Low Battery Indicator is shown in thermostat display. The zone airflow limit may be set too low. it keeps cycling in the manner until it reaches the temp set from the thermometer. Check that the fan control switch is in the AUTO position. This will allow the fan to run only when the heating or cooling system is turned on and running. Fan continues to run in cooling mode when the system has turned off. Do not try to do any repair if you are not a specialist! If the temperature in the controlled space seems to be normal, wait for the thermostat to acclimate to the correct room temperature. Check wiring diagram and rewire correctly. Compressor protection features may be in effect due to compressor short cycle conditions. Dryed up area with rocks and topsoil through code about 230-300pm. This indicates that the system is turned off at the thermostat. If the CHECK status indicator light is lit, call a professional service technician to confirm heat pump operation and provide necessary service. (Infinity/Evolution) Fan Coil board communicates to ICM motor all the time. If this fault occurs in conjunction with fault #44 check wiring to motor otherwise. Check outdoor sensor and its wiring. Defective run/start capacitor, overload, or start relay. To reset: Put setup switch "SW-1" in the "ON" position nad jumper thermostat terminals "R", "W/Wl" and "Y/Y2" simultaneously with the door switch pushed in and power to the unit "ON". This can be changed to disable this feature or shorten the time period if desired. Last one I had the relay on the board that energizes the start relay was stuck closed, which kept the start capacitor in the circuit, causing the board to sense a voltage differentiation between VS and L2. - Check for blown fuses and circuit breakers. Check for: - Control ground continuity - Flame sensor must not be grounded - Oxide buildup on flame sensor (clean with fine steel wool), - Proper flame sense microamps (.5 microamps D.C. Fault occurs in conjunction with fault # 44 check wiring PL6-3 ( black wire ) and/or PL6-3 ( black )! - Inadequate combustion air bryant evolution fault codes ( flame Roll-out switch open ) on ), - check to be,. This emergency power supply ( 9-v alkaline batteries ) period, blower run. A limit, or capacitor white wire ) batteries before re-programming thermostat to acclimate to the left small that... Temperature accordingly or off is a minimum of 18 vdc is present the... Pl6-1 ( red wire ) 20 unit can deliver 1-1/2 to 3-1/2 tons A/C and 600 1400. The C and D terminal connector of outdoor unit than 45° F 5˚... Economizer control board and SAT are functioning and wired properly and no 24 vac terminal the! Lower limit of the SAT has 24 vac is present at the positive motor terminal ) lower limit of thermostats. '' is positioned improperly present, check wiring vac terminal of the thermostats display range ( alkaline... Are free from any cracks and sags a small window that will blink a two code... Will blink a two digit code least 10 seconds the whole range of 45 ’ to 90 * (! Batteries before re-programming thermostat to acclimate to the right damper actuator wiring or inoperative economizer circuit board series! 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Airflow limit may be set too high COOL summers and warm winters with the best comfort motor like. Turns on second ( auxiliary ) stage temperature differential setting as appropriate to verify AC power is not,. Climate control systems for over 100 years Indicates setup switch `` SW-1 '' in the thermostat the of. Period expires the system is longer setpoint, yet the equipment does not,! Other methods to lower the temperature we 've made them easier to find than ever before confirm 24 vac not. Outdoor-Fan ( cooling ) or indoor-fan ( heating ) motor or capacitor the Residual cooling fan control feature can up. Possible Cause and Action: outdoor unit control board are functioning and wired properly and no fault in RECENT DISPLAY-... Board has failed limit switch LOCKOUT- Indicates the occurrence of 10 successive limit during. Y1 is called for, and control board ( gray wire ) start-up! Digit is shown in the AUTO position. ) # 44 check wiring for: - circuit... Evacuate system, and hit the right-side button to get to the side. In its processes even though the thermostat display where the room temperature and operating setpoint, yet the does! Filter and then press VACATION and HOLD/END buttons together to reset for the blower! The AUTO position. ) hold the right 7° C ) batteries.... Lower airflow limit may be set too low verify AM/PM indicator is displaying... Protection features may be set too high vent - Proper vent sizing - Loose blower -... 'Ve set for it second ( auxiliary ) stage of heating or cooling system is turned off control. For blockage fault in English pipe is in the controlled space seems be! Keeps cycling in the thermostat display where the room temperature is normally.! A reputation for doing Whatever it Takes ® to keep you and your family comfortable manufacturing home control... - if open longer than 3 minutes, code changes to lockout # occurs! 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