Calorex Pro-Pac Series Owners & Installation Manual page 32

PR0-PAC SYSTEM OWNER INSTALLATION MANUAL
LAMP
MAINS RED
FAULT AMBER
FRIDGE FAULT AMBER
1 AND/OR 2
DEFROST WHITE
WATERFLOW GREEN
MAINS RED
FAULT AMBER
FRIDGE FAULT AMBER
1 AND/OR 2
DEFROST WHITE
WATERFLOW GREEN
MAINS RED
FAULT AMBER
FRIDGE FAULT AMBER
1 AND/OR 2
DEFROST WHITE
WATERFLOW GREEN
If the machine suffers from poor performance and the low pressure
switch(es) trip and cannot be reset (the fridge fault lights also
illuminate) then this may be a symptom of a refrigerant leak.
Put the unit is Standby mode and isolate from the power supply.
Contact a refrigerant technician authorised in accordance with EU
517/2014 as soon as possible.
32
UNIT DOES NOT OPERATE
ON
ON
OFF Check thermal motor starters for fans have not tripped. Check soft start has not
1/2
tripped (if fitted). Check external flow switch is made (if fitted).
OFF
ON
FAN ON COMPRESSOR OFF
ON
OFF Unit on normal defrost. If after 20 minutes the defrost lamp is still on, check that the
air temperature is not below 10°C for M models or -15°C for MY models.
OFF
1/2
ON Check 12 hours have elapsed since first power up.
ON
UNIT OPERATES INTERMITTENTLY
ON
ON/OFF
OFF Check water flows are not restricted and that the electrical supply is adequate.
Check that linked in external equipment is not the cause of the fault.
1/2
OFF
ON/OFF
ACTION
SD566252 ISSUE 51