TM 5-3810-305-23
0016
MALFUNCTION
Relay in Anti-Two Block Panel Defective.
CORRECTIVE ACTION
1.
Check for 24 VDC between relay pins #30 (hot) and #86 (ground).
2.
If voltage is 0, check for voltage between pin #87a and ground. If 24 VDC, replace relay.
(With no electrical power to relay, pins #30 and #87a should show continuity.)
3.
With 24 VDC to #85 and #86 grounded, there should be continuity between pins #87 and #30.
MALFUNCTION
No Circuit Through Electrical Collector Ring.
CORRECTIVE ACTION
1.
Replace electrical collector ring (WP 0070).
2.
Repair electrical collector ring (WP 0070).
SYMPTOM
LIGHT AND HORN ARE ON BUT CONTROL DISCONNECTS WILL NOT DISENGAGE
MALFUNCTION
Ignition Switch OFF.
CORRECTIVE ACTION
Turn ignition switch ON (TM 5-3810-305-10).
MALFUNCTION
Circuit Breaker Tripped.
CORRECTIVE ACTION
1.
Reset circuit breaker.
2.
If problem still occurs, replace circuit breaker.
MALFUNCTION
Wire Broken.
CORRECTIVE ACTION
1.
Check voltage in control panel harness between terminals #0 and #37.
2.
If voltage is 0, check between ignition post of ignition switch and ground.
3.
If 24 VDC available, wire to control panel is bad.
4.
Replace wire (WP 0067).
0016-3
03/15/2011Rel(1.8)root(tswp)wpno(T00021)