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General Hydraulic Solutions Troubleshooting Guide; Trouble Shooting Guide - GENERAL HYDRAULIC SOLUTIONS 2013 Owner's Manual

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GENERAL HYDRAULIC SOLUTIONS

TROUBLE SHOOTING GUIDE

IF "ON"-CHECK LIFT PLATFORM
ROCKER SWITCH "ON"
IF "ON"-CHECK LIGHT ON ROCKER
SWITCH
IF LIGHT IS "ON"- ACTIVATE THE HAND
HELD CONTROLLER UNIT BY PRESSING
UP/DWN BUTTON FOR 5 SECONDS UNTIL
IF "ON"- PRESS "UP" BUTTON. THE GREEN
LED ON THE "UP" SOLENOID VALVE
SHOULD GLOW.
IF GREEN LED IS "ON" &
MOTOR DOES NOT RUN-
CHECK VOLTAGE AT OUT
PUT SIDE OF MOTOR RUN
SOLENOID
IF THE PROPER VOLTAGE IS NOT
PRESENT CHECK VOLTAGE ON
MOTOR RUN SOLENOID ACTIVATOR
WIRES
IF MOTOR RUNS-REPLACE CONTROL
BOX. (TERMINALS 1 IN THE EVENT
THAT ONE SIDE OF THE CONTROL
BOX FAILS, THE LIFT CAN FUNCTION
IN THE FAILED DIRECTION BY
SWITCHING THE GREEN (DOWN) AND
BLUE (UP) WIRES ON THE CONTROL
BOX.. SEE PAGE 14 OF THE MANUAL
FOR LOCATION OF TERMINALS 1 & 2)
IF BOTH LEDS ON SOLENOIDS GOOD, CONTROL BOX GOOD, PUMP MOTOR RUNS IN BOTH
DIRECTIONS AND PRESSURE GAGE READS ZERO. REPLACE COMPLETE PUMP UNIT
**REFERENCE PAGE 15
UNIT DOES NOT OPERATE
CHECK MAIN DC CIRCUIT
IF "OFF"- RESET SWITCH TO "ON".
INDICATOR LIGHT SHOULD BE ON.
IF SWITCH LIGHT
DOESN'T LIGHT,
CHECK FUSES ON
LOWER SIDE OF
LATCHING
SOLENOID
IF FUSE IS GOOD-CHECK WIRING &
CONNECTIONS BETWEEN PLUGS ON
ROCKER SWITCH & PUMP. CHECK
VOLTAGE ON INPUT & OUTPUT SIDES OF
LATCHING RELAY.
IF VOLTAGE ON INPUT SIDE & NOT ON
OUTPUT SIDE, CHECK VOLTAGE ON
PRIMARY WINDING OF RELAY
IF NO VOLTAGE-
RECHECK WIRING
& CONNECTIONS
IF GREEN COIL LED LIGHT NOT ON AND
PUMP MOTOR RUNS WITH PRESSURE
GAGE BETWEEN 1000-2500PSI REPLACE
COIL ON SOLENOID
PAGE 12
IF "OFF" RESET
CIRCUIT
BREAKER
IF FUSE IS
BAD-
REPLACE
FUSE
IF VOLTAGE
ON PRIMARY
WINDING-
REPLACE
RELAY

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