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Page 58
Alarm
Code
Fault
Possible Cause(s)
Suggested Action(s)
Action By
User
Engineer
E071
Outlet Water Temp. Lowtemp.
The temperature of the outlet water is too low.
Check there is enough water in
the system and there are no air
locks/lack of flow.
E081
DC Fan Motor Communication Error
There is a communication error between the fan
speed control module and the main board.
Check the wiring and connection
between the fan speed control
module and the main board.
E082
DC Fan Motor 2 Communication Error
There is a communication error between the fan
speed control module and the main board.
Check the wiring and connection
between the fan speed control
module and the main board.
E084
Display and Main Controller Not
Compatible
The software on the Display is not compatible
with the main control board.
Replace the Display with a
compatible version.
E101
Compressor Overcurrent
The compressor is overloaded.
Check the operation of the
refrigeration circuit in terms of
gas pressure and charge.
E103
Fan Motor 1 Overload
The Fan Motor 1 is overloaded.
Check the operation of the fan.
E203
Fan Motor 2 Overload
The Fan Motor 2 is overloaded.
Check the operation of the fan.
E171
Anti-freezing Protection
There is not enough flow in the heating circuit.
Check the plumbing circuit,
valves and operation of the
circulating pump.
Содержание A Series
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