<Wter Valve>
Valve A Water Outlet Valve (Two way valve)
Valve B By-Pass Water Control Valve
Valve C Water Control Valve
<Gas Valve>
Valve D Solenoid Valve 1
Valve E Solenoid Valve 2
Valve F Solenoid Valve 3
Valve G Proportional Valve
Valve H Gas Inlet Valve
Error Symptom Error Symptom Error Symptom
31 Wrong Gas Type 331 Mixing Thermistor Fail 701 Abnormal Mixing Thermistor
101 Insufficient Gas Supply 391 Abnormal Thermocouple 711 Abnormal Gas Solenoid Valve
111 Ignition failed 510 Abnormal Main Gas Valve 721 Computer Pre-post Check Problem
121 Loss Flame 541 Abnormal Two-Way Valve 741 Main remote control Trouble
141 Hi-Limit Switch Trip 611 Abnormal Fan Motor 751 Temperature Remote control Trouble
311 Output Thermistor Fail 651 Abnormal Bypass Valve 761 Multi-system Controller
321 Inlet Thermistor Fail 661 Abnormal Output Adjust Valve 991 Abnormal Burning
211 Vent Pipe 441 Flow Sensor
Hi-limit switch works
(=>208F)
Circuit board for Valve D
failure
bnormal high water
temperature
⑥
Open Short:
Output Temp. Thermistor
Open Short:
Mixing Temp. Thermistor
Open Short:
Inlet Temp. Thermistor
Thermo fuse cut off
(=>360F)
Flame detector
Display: running off
To Next Page
Loading...
Need help?
General
