Interline 59695310 Manuel D'instructions page 66

SERV I CE BY QU ALI FI ED T ECH N I CI AN S
Error
Code
E23
Ambient temperature is too low at heating mode
E24 Ambient temperature is too low at cooling mode
E25 Coil temp. over cool at cooling mode
E26 DC fan motor error
E27 B phase reversal fault
C phase reversal fault
E28
E29
eeprom reading error
E30 The probation period is up
E31 Power on password error
E32 Reserved
E33 Reserved
E34 Reserved
E35 Reserved
E36 Reserved
E37
IPM protection
E38 Driver protection
E39 Reserved
E40
Reserved
E41
Reserved
E42
Reserved
E43 Reserved
E44
Reserved
E45 Reserved
E46 Reserved
E47 Reserved
E48 Reserved
E49 Water inlet sensor error
E50 Coil temp. sensor error for heating
E51 Exhaust temp. sensor error
E52 Return gas temp. sensor error
E53 Coil temp. sensor error for cooling
Possible Cause Action
Unit stop
Unit stop
Unit stop
Unit stop
Unit stop
Unit stop
Restore the default, restart
Unit stop, antifreezing
Unit stop, antifreezing
Unit stop
Unit stop
Replace logical judgment
with water outlet temp.
Cancel the logical judgment
Unit stop
Cancel the logical judgment
Replace logical judgment
with water outlet temp.
EN EN