46
MN-29805 • Rev 10 • 06/17 • Combitherm CT Express Installation Manual
Service
Error
Code
Display Shows
Model
Mode
ES
ESG
ESI
Steam
Combination
Convection
Retherm
E01
Low Water Boiler
Yes
No
No
No
To 365°F/185°C
No
E02
Control Temp High
Yes
Yes
No
No
No
No
E03
Fan Motor Error
Yes
Yes
No
No
No
No
E04
Fan Motor 2 Error
Yes
Yes
No
No
No
No
E11
Convection Temperature High
Yes
Yes
BOILER UNITS
ONLY
No
No
No
E13
Boiler Temperature High
Yes
No
No
No
Yes
No
E15
Condenser Temperature High
Yes
Yes
No
No
To 356°F/180°C
No
E20
B11 Core Temperature Probe Single Point
Fault - HACCP only
Yes
Yes
No
No
No
No
E21
N6 Cavity Probe Fault
Yes
Yes
BOILER UNITS
ONLY
No
No
No
E22
B10 Core Temp Probe Fault
Yes
Yes
BY TIME ONLY
BY TIME ONLY
BY TIME ONLY
BY TIME ONLY
E23
B4 Boiler Probe Fault
Yes
No
No
No
No
No
E24
B5 Bypass Probe Fault
Yes
Yes
No
No
Yes
No
E25
B3 Condenser Probe Fault
Yes
Yes
Yes
No
To 356°F/180°C
No
E26
N8 Boiler Safety Temperature Probe Fault
Yes
No
No
No
No
No
E27
Boiler Element Temperature High
Yes
No
No
No
Yes
No
E34
Steam Generator Drain Pump Fault
Yes
No
No
No
No
No
E36
Steam Temperature High
Yes
No
No
No
Yes
No
E51
No Water in Boiler
Yes
No
No
No
Yes
No
E53
Fan Motor High Temperature
Yes
Yes
No
No
No
No
E54
Fan Motor 2 High Temperature
Yes
Yes
No
No
No
No
E55
Vent Not Open
Yes
Yes
Yes
(
NO BROWNING
)
Yes
(
NO BROWNING
)
Yes
(
NO BROWNING
)
Yes
(
NO BROWNING
)
E57
No Rinse Water
Yes
Yes
Yes
Yes
Yes
Yes
E93
Communication Error FROM Display Board
Yes
Yes
No
No
No
No
E94
Communication Error TO Display Board
Yes
Yes
No
No
No
No
When the appliance malfunctions, an error code will appear in the display.
Press the Start icon to acknowledge the error.
When the appliance error notifi cation has been acknowledged, the appliance will attempt to return to normal operation.
Error Codes