Küppersbusch EDG 6600.0, Service Manual

Page: 82 / 97

82 H3-72-01
For internal use only
9.9 Fault schedule: EEBD 6600.0
F9 Air temperature does not rise sufficiently. 1. Too much cold food put into the oven (for steaming a max.
of 2 kg frozen food allowed).
2. Exhaust air slider/motor stuck or defect (in the case of initial
series appliances with a rated frequency of below 300,
replace the calculator too; as of Feb. 2003 the calculators
supply 110 mA instead of only 80 mA).
3. Steam hole blocked.
4. Oven has a leak (loss of steam, door not closed properly?).
5. Air temperature probe gauges temperature incorrectly,
“gets stuck”.
6. Faulty wiring (interruption, loose contact, etc.).
7. Calculator defect, possibly as a result of moisture.
No signal Heater for hot air does not heat up. 1. There is no supply on the L2 terminal of the calculator
(instructions for installation observed?).
2. Heater defect, interruption.
3. Thermostat F6 activated (manual resetting).
4. Faulty wiring (interruption, short-circuit, loose contact, etc.).
5. Calculator defect (relay, etc.).
No
message Lighting does not work 1. Lamp defect
2. Plug X2 on the computer displaced
Signal Faulty diagnosis of the micro-
controller Possible causes of the fault
H 1 Water tank switching contact is
open In addition to the fact that there is no water tank the following may
be the cause:
1.
Water tank is not in the end position or it is defect
2. Switch contact defect or plug connection loose
H 2 The level pin does not develop low
resistance when the inlet valve is acti-
vated the level pin does not conduct
sufficiently).
In addition to a lack of water in the tank the following may be the
cause:
1. Water intake blocked or limescaled
2. Supply pump jams, hose crushed
3. Wiring to the level pin faulty (interruption, loose contact, etc.)
4. Earth wire on the evaporator heater or the computer discon-
nected
H 3
Door switching contact is open In addition to open doors the following may be the cause:
1. Switching contact defect Door magnet or reed switch displaced
2. Faulty wiring (plug connections, interruption, loose contact, etc.)
H 4 Food sensor switching contact is
open In addition to a food sensor that has not been inserted the follow-
ing may be the cause:
Socket with a loose contact (deformed contacts?)
H 5 No descale actuation acknowledge-
ment
After filling in the descaling agent, insert the water tank again and
press the OK button to start descaling (see instructions for opera-
tion).
H 6 Slow cooking discontinued
Pressing the O button has caused slow cooking to be discontinued
(continue with the OK button or completely end the process with the
O button)
Signal
Faulty diagnosis of the micro-
controller
Possible causes of the fault