Trouble Shooting Guide

TROUBLE SHOOTING GUIDE

llowing charts are to assist in identifying possible equipment malfunctions.

NC

ITE: REPAIRS /TROUBLE SHOOTING SHOULD BE PERFORMED BY YOUR AUTHORIZED BLUE GIANT

SERVICE TECHNICIAN

BIZFORE TROUBLE SHOOTING, MAIN BATTERY POWER MUST BE DISCONNECTED

P!ROBLEM POSSIBLE CAUSE

IO LIFT

notor does not run)

* Discharged battery D Defective lift switch p Defective contactor for pump motor * Burned brushes in pump motor * Blown fuse

IO LIFT notor runs)

f:ORKS WILL NOT LOWER

b 40 ELECTRICAL POWER

N O GZAVEL l Discharged battery l Low hydraulic pressure l Pump check valve stuck open - Faulty solenoid valve l Check oil level if forks do not raise fully l Foreign material blocking lifting mechanism

l Faulty solenoid coil l Defective lowering switch on steering handle if equipped l Defective valve l Obstruction in chain/mast/carnage l Control fuse blown

l Discharged battery l Loose/corroded battery connections l Blown main or control fuse l Defective travel control switch l Defective contactor or contactor tips l Check traction motor l Broken/loose drive belt l Defective SB connector

.CRUCK PERFORMS PROPERLY l Battery being removed from charger before recharging cycle is completec I . BUT REQUIRES CHARGING 100 FREQUENTLY l l Battery water level is too low to accept and hold a full charge Battery capacity not adequate for workload required l Battery capacity reduced due to battery damage

FORKS WILL NOT LIFT TO FULL HEIGHT l Oil level low in oil reservoir. Refill oil reservoir, determine area of leakage

PUMP MAKES MORE NOISE l CAUTION: Use Only recommended oils THAN NORMAL !

LOSS OF BRAKlNG POWER I l Brake requires adjustment. Must be performed by qualified personnel or

I1VOTE: Additional testing and diagnostics must be performed by authorized service personnel through use of the diagnostics analysis tool in the controller programmer. Consult Blue Giant or your authorized Blue Giant Dealer for more details and assistance. Page 12