Calorex Pro-Pac Series Owners & Installation Manual page 31

LAMP
MAINS RED
CHILL RED
CHILL LIMIT AMBER
WATER FLOW OK GREEN
OTHER LAMPS
MAINS RED
HEAT RED
DEFROST WHITE
OTHER LAMPS
MAINS RED
CHILL RED
FAULT AMBER
WATER FLOW OK GREEN
OTHER LAMPS
MAINS RED
CHILL RED
CHILL LIMIT AMBER
FAULT AMBER
WATER FLOW OK GREEN
OTHER LAMPS
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.
SD566250 ISSUE 35
FAN ON COMPRESSOR OFF
ON
OFF
ON Check thermostat set point is not set too low
ON Check 12 hours elapsed since first power up.
OFF
ON
ON Unit on defrost (normal) - check air flow not restricted
ON Ensure temperature is above 9°C for a standard model.
OFF
UNIT OPERATES INTERMITTENTLY
ON
OFF
ON Check linked in external equipment is not the cause of
the fault.
OFF
OFF
ON
OFF
ON/OFF
OFF Check thermostat set point is not set too low.
ON
OFF
ACTION MODE
HEAT COOL
P
P
P P
P
P
P
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