Palfinger PLR - Page 29

LIFT GATE NOT WORKING
29
HEAR SOLENOIDS CLICKING
1. CHECK CIRCUIT BREAKER AT BATTERIES
2. GO TO : MOTOR NOT RUNNING
HEAR NO SOLENOIDS CLICKING
1. CHECK FUSES AT POWER PACK
2. CHECK FOR BAD SWITCHES
3. CHECK FOR BAD MOTOR SOLENOID
BAD SOLENOID VALVE
MOTOR NOT RUNNING
1. JUMP ACROSS LARGE POSTS ON MOTOR SOLENOID
IF MOTOR RUNS , TEST FOR INCOMING SIGNAL ON SMALL TERMINAL
AND GROUND ON OTHER SMALL TERMINAL
TEST THERMO SWITCH IN MOTOR FOR CONTINUITY
SIGNALS GOOD , REPLACE MOTOR SOLENOID
2. JUMP ACROSS LARGE POSTS ON MOTOR SOLENOID
IF MOTOR DOES NOT RUN , JUMP MOTOR DIRECT WITH
JUMPER CABLES FROM SEPARATE GOOD BATTERY
2.a. MOTOR NOT RUNNING , TAP ON MOTOR , MOTOR RUNS , BRUSHES ARE
BAD
2.b. MOTOR RUNS , CHECK MOTOR GROUND AND POWER TO MOTOR
SOLENOID