wallas 88DU, Installation, Operation And Service Instructions

Page: 92 / 284

88DU
Maintenance
GB
490070GB
The stove does not
do anything.
Check the power cord
connections, joints and the
main switch.
Check the fuses on the circuit
board.
Check the battery voltage.
The battery voltage under
load must be at least
10.7 V
Does the device receive
power?
Measure from the circuit
board's power connector.
Check the control panel and
its cable.
No
Yes
Check the condition of the
battery and the electrical
cables/connectors.
Charge the battery, if
necessary.
Under 10.7 V
LOCKING INDICATION
Releasing the lock:
1. Switch to the ON position (indicator
lights blink).
2. Disconnect the main power cord (lights
go out).
3. Reconnect the main power cord
(yellow LED is lit for 1–3 seconds).
4. When the yellow LED goes out, turn
the operating switch to the OFF position.
5. Restart the device.
Check the fuses on the circuit
board.
Undercurrent
FAULT INDICATION WITH
BLINKING LIGHTS
88DU_GB.indd 30 11.06.2008 10:43:12
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