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8.Troubleshooting
8. 1 Error code display on LED wire controller
Malfunction
Inlet
water
temperature sensor
failure T1
Outlet
water
temperature sensor
failure T2
Heating
piping
sensor failure T3
Gas return sensor
failure
Ambient
temperature sensor
failure T5
Dischargepiping
sensor failure T6
Antifreeze
protection in Winter
Low
ambient
temperature
protection
Piping temperature
too high protection
under cooling mode
T3
T2 water temp. Too
low
protection
under cooling mode
High pressure failure
TS4
Error code
1. The sensor in open or short circuit
PP01
2. The wiring of sensor is loose
1. The sensor in open or short circuit
PP02
2. The wiring of sensor is loose
1. The sensor in open or short circuit
PP03
2. The wiring of sensor is loose
1. The sensor in open or short circuit
PP04
2. The wiring of sensor is loose
1. The sensor in open or short circuit
PP05
2. The wiring of sensor is loose
1. The sensor in open or short circuit
PP06
2. The wiring of sensor is loose
Ambient temperature or water inlet
PP07
temperature is too low
1.Beyond the scope of using
PP08
environment
2. Sensor abnormality
1. Ambient temperature is too high
or the water temperature is too high
PP10
in cooling mode
2. Refrigeration system is abnormal
1. Low water flow
PP11
2. T2 temperature sensor abnormal
1. Ambient temperature is too high
2. Water temperature is too high
3. Water flow is too low
EE01
Fan motor speed is abnormal or fan
motor has damaged
Reason
35
Solution
1. Check or change the sensor
2.Re-fix the wiring of the sensors
1. Check or change the sensor
2.Re-fix the wiring of the sensors
1. Check or change the sensor
2.Re-fix the wiring of the sensors
1. Check or change the sensor
2.Re-fix the wiring of the sensors
1. Check or change the sensor
2.Re-fix the wiring of the sensors
1. Check or change the sensor
2.Re-fix the wiring of the sensors
Normal protection
1. Stop using, beyond the scope
of using
2.Change the sensor
1. Check the scope of using
2. Check refrigeration system
1. Check filtration pump and
waterway system
2. Change T2 temperature sensor
1. Check the water flow or
filtration pump
2. Check the fan motor
3. Check and repair the piping
system
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