Century COMFORT-AIRE VMH-SG Series Service Manual page 69

Service Manual - VMHxxSG
Troubleshooting
1. Safety Caution .......................................................................................................3
2. General Troubleshooting ......................................................................................4
3. Complain Record Form ..........................................................................................6
4. Information Inquiry ...............................................................................................8
5. Error Diagnosis and Troubleshooting Without Error Code ...............................11
5.1 Remote maintenance ...................................................................................11
5.2 Field maintenance .......................................................................................12
6. Quick Maintenance by Error Code ......................................................................17
7. Troubleshooting by Error Code ...........................................................................17
TS01 EEPROM Parameter Error Diagnosis and Solution
TS02 Indoor and Outdoor Unit Communication Error Diagnosis and Solution
TS03 Zero-crossing Signal Detection Error Diagnosis and Solution
TS04 Fan Speed is Operating Outside of The Normal Range Diagnosis and Solution
TS05 Open Circuit or Short Circuit of Temperature Sensor Diagnosis and Solution
TS06 Refrigerant Leakage Detection Diagnosis and Solution
TS07 Indoor PCB/Display Board Communication Error Diagnosis and Solution
TS08 Current Overload Protection Diagnosis and Solution
Contents