10
11) Malfunction display (Fig.12)
When the malfunction happened during operation, the displayer will display
"ERROR" icon and flash, and meanwhile will display the error code, when there
are multi-malfunction happened, the displayer will display the error codes
circularly. The first number denotes the system number, if there is only one
system in the display, it will not display the system number, the following two are
error codes. For example as show in right figure, that denotes the system 1, low-
pressure protection of compressor.
The meaning of error codes as show in below:
E5 Material Malfunction will be showed by the indicator light on the Mother Board of Outside Unit.
NOTE When the "EH" malfunction happened, please cut off the power supply of unit
immediately, and please ask for the professional to repair!
Fig. 12
Fault
code
Fault
Fault
code
Fault
E0 Water pump malfunction F0
Failure of Indoor Room Sensor at Air
Intake
E1 High pressure protection of compressor F1
Failure of Evaporator Temperature
Sensor
E2 Indoor anti-frozen protection F2
Failure of Condenser Temperature
Sensor
E3 Low pressure protection of compressor F3 Failure of Outdoor Ambient Sensor
E4
Air discharge high-temperature
protection of compressor
F4 Failure of Exhaust Temperature Sensor
E5 Overload protection of compressor F5
Failure of Indoor Room Sensor at Wire
Controller
E6 Transmit malfunction
E8 Indoor fan protection EE Keys are locked (not failure)
E9 Water flow protection CC
The unit is remotely monitored or
controlled by centralized controller and
the wire controller's
functions are invalidated (not failure)
FF
Connected control communications
Failure
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