6
Changing a defective internal lighting fuse
Figure 123
CAUTION: Switch off power before opening the upper section of the housing.
1.
Turn rotary TEMPERATURE knob 3 to the left until a click is audible and lift off upwards.
2.
Slightly depress locking device 5 and remove upper section of housing 6.
3.
Carefully remove operating device 2 from the lower section of the housing 4.
4.
Replace fuse D
NFORMATION: The cover 2 must be inserted into both lateral slots 4.
5. Insert cover 2 into both lateral slots 4 and carefully depress onto the lower section of the housing 1 until a
click is audible.
6. Check secure fit of the cover 2.
7. Place upper section of housing 5 on top of the lower section of housing 1, pivot downwards and depress
until a click is audible.
8. Carefully depress rotary TEMPERATURE knob 3.
9. Check secure fit of the rotary TEMPERATURE knob 3.
7
Feedback on errors arising
Dear installer,
Should this device constitute a cause for complaint contrary to expectations, in the interests of rapid repair please
send us an error description which is as accurate as possible. In principle, please return to us the temperature
sensor pertaining to each control unit.
The error messages in the display mean:
E-F1:
Short circuit or disrupted temperature sensor cable (white cable)
E-24:
Excess temperature fuse defective,or (red) cable to excess temperature fuse disrupted.
EP-1:
Setting potentiometer for target temperature defective.
E-51; E-52;
E-53
Buttons 7 or 8 blocked
LL:
Internal temperature below 0 °C
HH:
Internal temperature above 140 °C
WE DO IT FIRST.
Instructions for installation and use – only for experts
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