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Alarm
NO.
Steps
Alarm/Cause
Corrective Action
84
CHECK REMOTE ALARM LIGHT
•
TRIGGER–ON: The fault output circuit (amber “check unit” LED’s) to the light bar is shorted. (This
output [3MP19] from the microprocessor is negative, so the circuit will not be shorted to ground, but
is shorted either within the remote alarm light itself, or to a positive wire.)
•
UNIT CONTROL: Engine and Standby Operation: alarm only.
•
RESET CONDITION: Auto Reset when Alarm light current (amp) draw is normal, or alarm may be
manually reset via keypad or by turning the unit off, then back on again.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, the active
alarm should clear itself (see reset condition above). Operate the unit through the appropriate modes to see if
any active alarm occurs. Continue with the steps below as necessary.
1
Check 2-Light Bar Wiring
a. Inspect light bar & connector.
No damage to light bar.
No damage, moisture, or corrosion in connector.
b. Inspect harness & control box
connector pins & terminals. (See
wiring schematic Section 10.)
No physical damage to harness.
No damage, moisture, or corrosion in connectors.
2
Check 2-Light Bar
Check operation of 2-Light Bar
Refer to Section 8.9.3 for information on testing the
2-Light Bar.