Is there continuity between HI RANGE
LOCKOUT relay R23, terminal 30 and
a known good ground?
(1) If there is no continuity, replace
CTIS controller (Para 13-7).
(2) If there is continuity, CTIS
controller is OK.
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical
circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.
Circuit breakers CB5, CB6, CB12, CB20, CB22, CB23 and relays R3, R13 - R19, R26, R28, R32 and R33
are always electrically hot and can cause severe injury to personnel. Care must be exercised when
working under the electrical circuit board cover.
Relay test must be performed with relay partially