STINAR PS-813B/E - Page 29

Passenger Stairway PS-813B/E Boeing | 29
SECTION 2 - SERVICING PASSENGER STAIRWAY
TROUBLE PROBABLE CAUSE REMEDY
Lights do not
function
15 amp. fuse blown Replace fuse
80 amp. circuit breaker
tripped
Locate and repair
source of overload
and reset circuit
breaker
Batteries discharged
Recharge or replace
batteries
LIGHTS control switch
defective
Repair or replace
switch
Wiring short or fault in
circuit
Troubleshoot with
wiring schematic
(Figure 2.2.1.2)
Engine alternator or
rectier problem
Repair or replace bad
components
Battery charger
malfunctioning
See owner’s manual
Charger inoperative
Faulty connector Check and repair
Bad charger See owner’s manual