Troubleshooting
27
7.1 Power pack
ACCUVAC Basic is fitted with a high-grade lead cell
power pack.
Changing power pack
Important
Never touch the circuit board, as this can damage the
electronic system.
1. Switch off ACCUVAC Basic.
2. Disconnect the aspirator from the external power
supply.
3. Remove collection canister
and any accessories.
Power pack is not fully
charged up despite
charging for 14 hours (top
LED in voltage indicator
does not light up)
Charger does not meet specifications
Use AC adapter/charger plug
WM 10750 or charger WM 2645
(accessory)
Vehicle electrical system is not
supplying 12.0 – 13.8 V
Check vehicle electrical system
Power pack damaged by being fully
discharged
Fit new power pack (7.1, page 27)
Power pack at end of service life
Top LED of voltage
indicator lights up after
charging, but pump does
not run when powered by
power pack
Internal connection faulty
Check internal connection between
printed circuit board (X1) and power
pack
Fuse F2 defective
Fit new fuse (7.2, page 29)
Fuse F2 frequently blows
Pump is often switched on under
vacuum conditions
Do not switch on pump under vacuum
Pump defective
Have repair carried out at factory or
by expert personnel
Fault
Cause
Remedy