User guide

Troubleshooting RTCSmp Built-In Temperature Controlled Hold-Line
Part # 4532288 Rev 3 (6/11/14) 25
10.3 Troubleshooting with Error Codes (for Service Technicians)
To obtain the internal data and error code for troubleshooting, you need an IR Adapter, proper connectors, and
software. The table below is a reference guide. For further information and assistance, please contact Garland
Technical Service.
Error Code Possible cause Action to take
E03
- . . . - . . .
Overheated heat sin
k
Let unit cool down
Check air filter and air flow
Air-cooling system obstructed Verify that air inlet and outlet are not
obstructed with objects. Clean air filter
E04
- . . . . - . . . .
Overheated heating zone Let unit cool down. Check air filter and air flow
E05
-. . . . .-. . . . .-
Error on power switch Check potentiometer and its wiring.
E06
- . . . . . . - . . . . . .
Overheated electronic Let unit cool down. Check air filter and air flow
Ambient temperature too high (the
cooling system is not able to keep the
unit in normal operating conditions)
Verify that no hot air is sucked in by the fan
Reduce the ambient temperature, the air inlet
temperature must be lower than 40ºC/110ºF
E10
- . . . . . . . - . . . . . . .
Communication BUS Check all wiring.
E12
- . . . . . . . . - . . . . . . . .
Warning temperature heat sin
k
Reduce the adjusted temperature
Reduce the ambient temperature, the air inlet
temperature must be lower than 40ºC/110ºF
Verify that air inlet and air outlet are not
obstructed with objects
Check fan function
E30
- . . . . . . . . - . . . . . . . .
Interior temperature too high (central
unit)
Reduce the adjusted temperature
Reduce the ambient temperature, the air inlet
temperature must be lower than 40ºC/110ºF
Verify that air inlet and air outlet are not
obstructed with objects
Check fan function
E41
- . . . . . . . . - . . . . . . . .
Overheated Temperature-Sensor1 Let unit cool down. Reduce the adjusted
temperature. Check sensor 1.
E42
- . . . . . . . . - . . . . . . . .
Overheated
T
emperature-Sensor2 Let unit cool down. Reduce the adjusted
temperature. Check sensor 2.
E43
- . . . . . . . . - . . . . . . . .
Overheated Temperature-Sensor3 Let unit cool down. Reduce the adjusted
temperature. Check sensor 3.
E44
- . . . . . . . . - . . . . . . . .
Overheated Temperature-Sensor4 Let unit cool down. Reduce the adjusted
temperature. Check sensor 4.
E45
- . . . . . . . . - . . . . . . . .
Overheated Temperature-Sensor5 Let unit cool down. Reduce the adjusted
temperature. Check sensor 5.