Bering BEXP05i, User And Service Manual, Page: 40 / 388

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8.Troubleshooting
8. 1 Error code display on LED wire controller
Malfunction Error code Reason Solution
Inlet water
temperature sensor
failure T1-TH6 PP01
1.
The sensor in open or short circuit
2. The wiring of sensor is loose
1. Check or change the sensor
2.Re-fix the wiring of the sensors
Outlet water
temperature sensor
failure T2-TH5 PP02
1. The sensor in open or short circuit
2. The wiring of sensor is loose 1. Check or change the sensor
2.Re-fix the wiring of the sensors
Heating piping
sensor failure
T3-TH2
PP03
1. The sensor in open or short circuit
2. The wiring of sensor is loose 1. Check or change the sensor
2.Re-fix the wiring of the sensors
Gas return sensor
failure
PP04
1. The sensor in open or short circuit
2. The wiring of sensor is loose 1. Check or change the sensor
2.Re-fix the wiring of the sensors
Ambient
temperature sensor
failure T5-TH1
PP05
1. The sensor in open or short circuit
2. The wiring of sensor is loose 1. Check or change the sensor
2.Re-fix the wiring of the sensors
Dischargepiping
sensor
failure
T6-TH3
PP06
1. The sensor in open or short circuit
2. The wiring of sensor is loose 1. Check or change the sensor
2.Re-fix the wiring of the sensors
Antifreeze
protection in Winter
PP07
Ambient temperature or water inlet
temperature is too low
Normal protection
Low ambient
temperature
protection PP08
1.Beyond the scope of using
environment
2. Sensor abnormality
1.
Stop using, beyond the scope
of using
2.Change the sensor
Piping temperature
too high protection
under cooling mode
T3-TH2
PP10
1. Ambient temperature is too high
or the water temperature is too high
in cooling mode
2. Refrigeration system is abnormal 1. Check the scope of using
2. Check refrigeration system
T2-TH5 water temp.
Too low protection
under cooling mode
PP11
1. Low water flow
2. T2-TH5 temperature sensor
abnormal
1.
Check filtration pump and
waterway system
2. Change T2-TH5 temperature
sensor
High pressure failure
TS4
EE01
1.
Ambient temperature is too high
2.
Water temperature is too high
3. Water flow is too low
Fan motor speed is abnormal or fan
motor has damaged
1. Check the water flow or
filtration pump
2. Check the fan motor
3. Check and repair the piping
system