12
TROUBLE SHOOTING / ALARM CODES
TROUBLE SHOOTING INFORMATION AND ALARM CODES
Fault Display
Possible Cause
Action
Cabinet not operating
No power supply
Check fuse or power source
Cabinet not maintaining
temperature
1. Dirty condenser
Clean
2. Air circulation restricted
Remove restriction
3. Defective fan motor
Call engineer
4. Defector compressor relay
Call engineer
5. Loose electrical connection
Call engineer
Faults displayed by control
E1 or E2 - Control probe failure
Call engineer
HI or LO - High/low temperature
alarm*
Call engineer
DO - Door open alarm
CL - Condenser requires cleaning
Shut door
Remove cover and clean condenser
fins with a clean brush
TROUBLE SHOOTING INFORMATION FOR THE MAINS POWER SUPPLY FAILURE ALARM
(OPTIONAL)
Fault
Possible Cause
Action
The sounder is not working
when mains power supply is
turned off
Mute switch activated
Check mute switch
The red ‘Power failure’
indicator is not illuminating
when mains power supply is
turned off but the sounder
activates
Indicator not working
Call engineer
The sounder and red indicator
not working when the mains
power supply is turned off
Battery or alarm circuit faulty
Call engineer
The sounder and red indicator
only work for a short period
when the mains power supply
is turned off
Battery requires full charge or
requires replacement
Call engineer if a full charge does
not resolve the issue
