PCX 256 USER MANUAL
Page: 34 RINS867-2
FAIL
failed
Battery uncharged or capacity below specification
may need replacing.
BATTERY
CRITICAL
Battery being disconnected Protects battery from deep discharge damage
during extended mains failure.
Note: System is now powered down!
MAINS FAIL
xxx
Mains supply failed System detects mains frequency out of
specification, as well as voltage. Note: 'AC FAIL'
timer operative
FUSE x
FAULT
Fuse identified failed,
OR Output protected by
fuse drawing excessive
current
x identifies fuse affected:
Fuse 1 = +12v at AUX1+ terminals
Fuse 2 = +12v at K+
Fuse 3 = +12v at AUX3+ terminals
Fuse 4 = BATTERY 0v
Fuse 5 = +12v at AUX4+terminals
Note: Fuse 6 failure will cause SAB Tamper
fault.
LOW VOLTS
xxx
Power supply volts low
Battery volts below normal 'battery fault' level
during mains failure
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