WarmFlow Air Source A-Series, Manual

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Page 49
Alarm
Code
Fault Possible Cause(s) Suggested Action(s)
Action By
User Engineer
TP Low Ambient Temperature Warning The ambient temperature is too low.
Test the operation of the ambient
temperature sensor and re-
connect/replace if necessary.

E04 Electric Overheat Protection The compressor is overloaded.
Check the operation of the
refrigeration circuit in terms of
gas pressure and charge.

E08 Communication Error
There is a communication error between the
controller and the unit.
Check the wiring and
connections between the
controller and the unit.

E11 High Pressure Protection
The high pressure switch in the refrigeration
circuit has been tripped.
Check the operation of the high
pressure switch and refrigeration
circuit in terms of gas pressure.

E12 Low Pressure Protection
The low pressure switch in the refrigeration
circuit has been tripped.
Check the operation of the low
pressure switch and refrigeration
circuit in terms of gas pressure.

E19 Primary Anti-freezing Protection The ambient temperature is low.
Test the operation of the ambient
temperature sensor and re-
connect/replace if necessary.

E29 Secondary Anti-freezing Protection The ambient temperature is low.
Test the operation of the ambient
temperature sensor and re-
connect/replace if necessary.

E032 Low Flow Error There is not enough flow in the heating circuit.
Check the plumbing circuit for
blockages or air, valves are open
and the operation of the
circulating pump.

E051 Compressor Overload The compressor is overloaded.
Check the operation of the
refrigeration circuit in terms of
gas pressure and charge.

E171 Anti-freezing Protection There is not enough flow in the heating circuit.
Check the plumbing circuit,
valves and operation of the
circulating pump.

F031 DC Fan Motor 1 Error
There is no connection between the fan module
and motor.
The fan motor is in locked rotor state. Check the connection between
the fan module and motor.
Replace the fan motor.

F032 DC Fan Motor 2 Error (AS03 models only)
There is no connection between the fan module
and motor.
The fan motor is in locked rotor state. Check the connection between
the fan module and motor.
Replace the fan motor.
