| SERVICE REFERENCE iCombi
19.X
x= type of error -1= EEPROM missing or not recognised;
-2 = internal storage error (battery may have been removed)
20.X
Thermocouple break, x= sensor: -1 Cooking cabinet B1; -2
Control sensor B2; -4= humidity B4; -8= Steam generator
B5; -9: Thermocouple B9 faulty - only floor units
23
Temperature rise on the steam generator without request
Steam heating check
24
Temperature rise in the cooking cabinet without request
Hot air heating check
25
No water detection without cleaning
Fan wheels do not run / no increase in performance at the
fan motor when the water jet hits: Check water supply, pres-
sure, hoses, CDS sensor, position of GN conductors and mo-
bile oven racks
28.x
Thermocouple, x= Sensor: -1: SG B5 too hot (>170°C); -2:
Cooking cabinet B1 too hot (>350°C); -4: Steam generator
B5 too cold (<2°C, heating possible again from 4°C)
29.x
PCB temperature too high: -1: motor down; -2: motor
centre; -4: Pump PCB; -16: I/O PCB -64: CPU PCB
30
Humidity measurement not working correctly
Pressure sensor P1, connection hoses, measuring connec-
tion pieces, humidity sensor B4
31.xx
Thermocouple core temperature B3; x = error type: -1: core
probe error; -11: external core probe error
32.x
Fault in combustion system or gas supply,
x= fault, y= combustion system
-1.y (22= HA top, 32= steam, 42= HA bottom):
5x unsuccessful ignition process
-2.y (17/18/49= HA top, 27/28/52= steam, 37/38/55=
HA bottom):
Flame current measured with gas valve closed
-3.y (19= HA top, 29= steam, 39= HA bottom):
Burner goes out 5 times during the burning phase
-4.y (20= HA top, 30= steam, 40= HA bottom):
The speed of the gas blower deviates from the target speed
by more than 150 rpm
33.x
Error in the control of the combustion system, x= error
-1: Ignition box fault accumulation
-2: Desired gas speeds breach condition >0 rpm or Min. <
Start < Max.
-3: Mains frequency outside 40…70 Hz
-4: Phase and neutral conductor mixed up
-5: Automatic ignition controller error
34.xx
Bus signal missing:-1 motor top; -2 motor centre; -4 motor
bottom (floor units only); -8 Pump PCB; -16 I/O power
supply; -32 ignition box;
35
UltraVent: Bus signal / internal communication
35.x
UltraVent error: -1 voltage missing; -2 Filter detection faulty
(UV Plus only); -3 Thermocouple control error; -4 Thermo-
couple motor protection error; -5/6 Dirt in filter (pre-warn-
ing/immediate replacement); -7 Filter not inserted/no dif-
ferential pressure measured
36
Differential pressure sensor fault (no signal output of 0.5V;
check 12V at P1); P1 must be installed horizontally
37
Climate control malfunction: Check connecting hoses
40
Check the care pump (M18) in the function test (note: Y4 is
activated at the same time, run the rinse programme)
42.x
Solenoid valve x does not open: -1: fill Y1; -2: control Y2; -4
Care Y4; -5 Climate Y5/Y15
43.x
Solenoid valve x does not close: -1: Fill Y1; -2: control Y2; -4
Care Y4; -5 Climate Y5/Y15
44
Steam heating faulty or inadequate during cleaning
46.x
SC pump (M4); x= type of error: -1: defective; -2: Output too
low
47
Wastewater pump (M15); -1: defective; -2: Output too low
48
Circulation pump (M17); -1: defective; -2: Output too low
49
Care pump (M18); x= type of error: -1: defective; -2: Output
too low
50
Real time clock (date and time) not initialised
51
Check battery, replace if necessary
52
LED cooking cabinet light faulty
63
Water detected after dry calibration, repeat self-test with
water
64
Unit calibrated dry– attempt to start humid cooking mode
70
Cooling fan error
71.X
Power supply fault -1: General failure; -2: Undervoltage
(<170V)
72
eSTB for HA or steam: Blink code on eSTB – error code, see
description below
73.x
Fault due to overtemperature on: -1 Motor top; -2 Motor
bottom; -4 Motor centre; -8 Pump PCB; -16 Ignition box;
-32 I/O power supply
75.x
Internal bus interface: -1: Additional PCB energy optimiza-
tion not detected; -2: Additional PCB 4-way relay is not de-
tected,
-4 (USA ONLY) voltage switching PCB is not detected
76.xx
USA units ONLY
Error voltage switching PCB -1: Voltage too low; -2: Internal
check failed; -3 incorrect voltage setting 4 to -7: Internal er-
ror
90
Unit not yet calibrated, carry out calibration
110
SC pump faulty while care solution is in the steam generator
(Remove error and set to released under Basic settings
"Cleaning unlock")
120
Level electrode without signal while care solution is in the
steam generator
(Remove error and set to released under Basic settings
"Cleaning unlock")
121
Additional function when operating the unit without water:
Note on filling water into the control box
140
Permanent fault in the gas supply or in the hot air gas com-
bustion system; -4 Pre-warning for cooking operation
block; -8 Cooking operation block
200
Automatic motor positioning failed
(mostly followed by error 201)
201
Carry out motor positioning
900.xx
-8: Initialise date and time failed; -16: Battery empty or re-
moved; -32: Data loss due to battery voltage; -48: Battery
removed, unit data and clock initialisation incorrect (sum-
80.51.885 RTS/Bret V06.2 - 01/24 en-GB 2 / 3
To Next Page
Loading...
Need help?
General
