TM0064
Page 30 of 91
Issue 2.01
Cover to be perforated sheet zinc plated and colour, (yellow), passivated.
SIZE
Nominal dimensions are :-
230mm (L) x 110mm (D) x 60mm (H. max)
LABELLING
Labels for the input and output terminals connectors, and the LED functions shall be provided
upon the unit cover.
The labels will be black figures upon a white background, and the material shall be UL preferred.
SYMPTOM
POSSIBLE CAUSE
ACTION
Supply Fault
LED illuminated
Power Fail
1) Check mains input
voltage.
2) Check fuse FS1.
3) Replace PSU.
Regulator fault
1) Replace P.S.U
Battery Disc/Charger fault
1) Check batteries are fitted
2) Check battery
connections.
3) Check fuse FS2.
4) Replace batteries.
5) Replace PSU
Battery low
1) Check battery low light
is lit on P.S.U.
2) Check battery leads for
good connection.
3) Check fuse FS2.
4) Renew batteries.
5) Replace PSU