Troubleshooting With Error Codes (For Service Technicians) - Garland HO IN 450 Installation And Operation Manual

Troubleshooting

10.3 Troubleshooting with Error Codes (for Service Technicians)

To obtain the internal data 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
Reason
Code
E01 Hardware overcurrent or coil is not connected(1) Check the Chafing Dish or Pan material, Check
E02 Software overcurrent (1)
E03 Heat sink overtemperature
T > 85°C (1)
E04 Empty cooking detektor
Total failure of the sensor unit or sensor unit not
connected (1)
E05 Potentiometer defect or not connected (1)
E06 Temperature inside the generator too high.T >
80°C (1)
E10 Reduction KK temperature
T > 75°C (2)
E12 Reduction internal temperature
T > 70°C (2)
E20 Faulty or not connected heat sink temperature
sensor (1)
E21 Board sensor defect (1)
E24 Temperature processor central unit > 100°C (1)
E30 Heat retention plate sensor 1 over temperature
or defect (1)
E41 Heat retention plate sensor 2 over temperature
or defect (1)
E42 Heat retention plate sensor 3 over temperature
or defect (1)
E43 Reduction KK temperature
T > 75°C (2)
(1) Power supply is interrupted immediately.
(2) The unit works with reduced power.
28
RTCSmp Built-In Temperature Controlled Hold-Line
Things To Check
wiring.
Check the Chafing Dish or Pan material.
Check installation (Airflow).
Check sensor unit.
Set point: 1080Ohm at 25°C
Check the potentiometer wiring.
Check installation (Airflow).
Check installation (Airflow).
Check installation (Airflow).
Contact Garland.
Contact Garland.
Check installation (Airflow).
Check warming process. Check sensor 1 Set point:
1080Ohm at 25°C
Check warming process. Check sensor 2 Set point:
1080Ohm at 25°C
Check warming process. Check sensor 3 Set point:
1080Ohm at 25°C
Check installation (Airflow).
Part # 4532286 Rev 3 (6/10/14)