WarmFlow Air Source A-Series - Guarantees, Terms & Conditions; Guarantee Provisions

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Alarm
Code
Fault
Possible Cause(s)
Suggested Action(s)
Action By
User
Engineer
F20
IGBT Power Device Error
A transducer has overheated.
Check the current measurement.

F21
Overload Error
The compressor input current is too high.
Check the operation of the
refrigeration circuit in terms of
gas pressure and charge.

F22
AC Input Over Current Error
The AC input current is too high.
Check the current measurement
and adjust/replace if necessary.

F23
EEPROM Alarm
MCU Error
Replace board.

F24
EEPROM Alarm
MCU Error
Replace board.

F25
LP 15V Error
THE V15V is out of range.
Check the V15V input voltage is
between 12.5V and 16.5V.

F26
IGBT Power Device Over Temperature
The IGBT transducer temperature is too high.
Check the current measurement
and adjust/replace if necessary.
