wallas 88DU Instructions D'installation, De Fonctionnement Et D'entretien page 89

Maintenance
Fault signals and releasing the lock
Colour Blink interval
Yellow
Yellow
Yellow
Yellow
Yellow
Red
Red
Red
If the device has locked itself, you must determine the cause for the
locking before releasing it.
* RELEASING THE LOCK:
)
1. Leave the operating switch of the device in the ON position (lights
blink to indicate lockdown).
2. Detach the power cord (2) from the device and remove the fuse
(13) which is in the power cord.
3. Reconnect the power cord and reinstall the fuse (yellow LED will be
lit for 1–3 seconds).
4. When the yellow LED goes out, turn the operating switch
to the OFF position.
5. You can now restart the device.
88DU
2 s 2 s
2 s
2 s
30 s
- 89 -
GB
Fault description
Glow failure
Combustion air blower fault
Cooling blower fault
Undervoltage
Locking; the device locks itself after 2
unsuccessful starts * )
Overheat
5 minutes after fault indication
490070GB