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POWER SUPPLY PROBLEMS
Fault
Description
Solution
Battery
Fault xxx
Battery Fuse failed,
OR Battery not present,
OR Battery volts low
Note: This indication should be expected
during recharge after a mains failure.
The top line displays ‘Control Panel’ if it is a fault
on the endstation, if the Battery fault is on a
ZEM/OPM ‘xxx’ will show the device type and the
top line the location text if entered, if not it shows
xxx-nn where nn is the address of the ZEM/OPM.
Bat Test Fail
XXX
Battery Load Test has
failed
Only displays if option selected.
Battery uncharged or capacity below
specification may need replacing. Same method
as showing the device as battery fault.
Bat Critical
XXX
Battery being powered
down
Protects battery from deep discharge damage
during extended mains failure. Same method as
showing the device as battery fault.
Note: System is now powered down
Mains Fail
xxx
Mains supply failed
System detects mains frequency out of
specification, as well as voltage.
Same method
as showing the device as battery fault.
Note:
'AC FAIL' timer operative
Fuse Fault x
Fuse identified failed,
OR Output protected by
fuse drawing excessive
current
Resolve the cause of the fuse fault and press
the E-Fuse reset button.
Low Volts
xxx
Power supply volts low
Battery volts below normal 'battery fault' level
during mains failure. Same method as showing
the device as battery fault
DETECTION FAULTS
Fault
Description
Solution
Control
Panel SAB
Tamper
Tamper fault detected on
connection from SAB
Terminal BT should be at or near 0v.
If not, is SAB Tamper switch closed?
Check Fuse F2 intact, and connections to SAB.
Case
Tamper XXX
Case tamper switch open
Secure switch closed. Same method of showing
the device as battery fault.
WD Fault
(Warning
device
Fault)
Low battery on grade 3
sounder cable fault.
Check and replace the battery in the bell. Check
the cable for high resistance.