Trane 4TYK8536B1000AA - Page 59

13. Troubleshooting
58 SS-SVM001A-EM
Fault
code
Fault description Possible reasons for abnormality How to deal with
15
The instantaneous power off
detection
1.The power supply is not stable ;
2.The instantaneous power failure;
3.Driver board fault;
1. Check the power supply;
2. Not fault;
3.Changethedriverboard.
16 Low DC voltage 200V
1. Voltage input is too low;
2. Drive board fault.
1. Check the power supply.
2. Change the driver board.
18 Driver board read EE data error
1. EEPROM has no data or data
error;
2. EEPROM circuit fault.
1. Change EEPROM component;
2. Change the driver board.
19
PFC chip receives
data fault
Abnormal communication loop. Change the drive board.
20 PFC soft start abnormally Abnormal PFC drive loop. Change the drive board.
21
The compressor drive
chip could not receive data from
PFC chip.
Communication loop fault. Change the drive board