Installation Guide

38
ODU Control Panel
Digital display
Description of contents showed on the digital display
When operation mode varies, N digital display will show the new mode correspondingly;
normally it will display this mode for 5s before displaying real-time clock; in the case of
malfunctions, it will display the current malfunction code.
Table of fault codes of digital display:
Code Content Handling by the Machine
E000
Disconnection of INV1 high pressure
switch
ODU stops
E001 FAN1 drive fault 1# compressor stop
E002 INV1 drive overload 1# compressor stop
E003 INV1 discharge temperature too high 1# compressor stop
E004
INV1 drive communication fault
1# compressor stop
E005
FAN1 drive communication fault
1# compressor stop
E006 INV1 drive overheat fault 1# compressor stop
E007 INV1 drive fault 1# compressor stop
E008 THo1 fault of ambient temperature sensor
ODU stops
E009
THo2 fault of 1 # compressor discharge
temperature sensor
1# compressor stop
E010 Tho3 fault of suction temperature sensor Protection runs
E011
THo4 fault of inlet temperature sensor at
the auxiliary side of plate heat exchanger
Protection runs
E012
THo5 fault of outlet temperature sensor at
the auxiliary side of plate heat exchanger
Protection runs
E013
THo6 fault of outlet temperature sensor at
the main side of plate heat exchanger
Protection runs
E014
THo7 fault of temperature sensor of
defrosting temperature point
ODU stops