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Due to continuous product research and development,
the information contained herein is subject to change without notice.
www.stoddart.com.au
www.stoddart.co.nz
Cleaning and Maintenance
Troubleshooting
(O) = Operator (T) = Technician Task
WARNING
Technician tasks are only to be completed by qualified service
people. Check faults before calling service technician.
Troubleshooting Procedures
Alarm Signals
• If any faults/issues occur with the unit, follow the below troubleshooting procedures
• If the troubleshooting procedures do not correct the problem, contact the Stoddart Service Department
Display
Cause
EE
Data or memory failure
P1
Probe failure
HA
Maximum temp. alarm
LA
Minimum temp. alarm
EA
External alarm
Problem
Possible Causes
Task
Possible Corrective Action
Unit does not operate/start
The mains isolating switch on the wall, circuit
breaker or fuses are OFF at the power board
O
Turn isolating switch, circuit breaker or fuses ON
The main switch of the unit is OFF
O
Turn the main switch ON
Condenser unit is OFF
O
Turn ON condenser unit
Electrical wiring damaged
T
Replace / Fix electrical wiring
Condenser unit broken
T
Replace / Fix refrigeration unit
Faulty electronic controller
T
Replace controller
Main circuit board is hot
T
Replace / Fix circuit board
Refrigeration circuit board(s) is hot
T
Replace / Fix circuit board(s)
Unit is too warm
Ambient air entering the units
O
Door not closing / sealing
O
Move unit / exhaust fan
O
Open baffle
Warm items in unit
O
"Pre-chill / Remove items / Wait 30min for items to chill"
Air not circulating
O
Remove some items / Clear air vents / Grills
Too many items in the unit (overloaded)
O
Remove some items
Items obstructing air vents / grills
O
Re-position items
Defrost cycle is ON / just finished
O
Wait 30min for cabinet to cool
Evaporator coil fins blocked
O/T
Clean fins / Run defrost cycle
Evaporator coil iced up
T
"Adjust defrost cycle to match environment / Remove warm items / Fix or
replace door seals"
Temperature probe broken / disabled
T
Replace / Enable probe
Set point temperature too high
T
Adjust the set point temperature
Temperature probe damaged
T
Replace temperature probe
Evaporator fans not operating
T
Replace / Fix fans
Undercharge
T
Add refrigerant
Faulty electronic controller
T
Replace controller
Direct sunlight
O
Block sunlight, window shades
Unit is too cold
Temperature probe broken/disabled
T
Replace / Enable probe
Faulty electronic controller
T
Replace controller
Continuous cycle setting ON (integral units)
T
Turn OFF continuous cycle
Set point temperature too low
T
Adjust set point temperature