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Troubleshooting / Error Codes
Due to our policy of continuous product innovation, some specifications may change without notification.
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ERROR CODE TABLES
Alarm
The description of the alarm is as follows.
Error code
Error name
Error condition
Control during error Cancel condition
CHxx001
Outdoor temperature sensor error
Outdoor temperature sensor is open/short
Stop product Automatically return to normal condition
CHxx003
HMI communication error
When communication between HMI and chiller controller is disconnected for
more than 30 seconds
Stop product Automatically return to normal condition
CHxx005
Cycle control box communication error
When communication between chiller controller and cycle control box is dis-
connected for more than 30 seconds
Stop product Automatically return to normal condition
CHxx009
Remote communication error
When the modbus communication with the external device is not established
for more than 30 seconds after the initial communication with the remote
modbus condition is established
Stop product Automatically return to normal condition
CHxx011
Load water pump interlock error
When the load water pump is turned off for 3 seconds when starting or during
the operation for more than 3 times within 1 hour
When turned off more than 9 seconds within 1 hour
Stop product Press the HMI Reset button
CHxx013
Load water flow switch error
When the load water flow switch is turned off for 3 seconds when starting or
during the operation for more than 3 times within 1 hour
When turned off more than 9 seconds within 1 hour
Stop product Press the HMI Reset button
CHxx015
Remote alarm
When the contact point signal of hardware wiring is short when entering the
remote control mode
Stop product Automatically return to normal condition
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