Red Jacket LPG Premier, Руководство по установке, Страница: 37 / 40

Servicing The Red Jacket LPG Pump-Motor Unit Troubleshooting Guide
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Low Flow Rate Blockage in discharge line to
vehicle Compare flow rate on other
lines Clear blockage
Blocked filter in dispenser or
nozzle Filters Clean tank or service pump
Differential pressure low See SYMPTOM
Discharge valve not fully open Differential pressure Replace valve if pressure is correct
Excess flow valve in line is shut Return nozzle to dispenser
and wait for valve to reset Service nozzle if necessary
High pressure in vehicle tank Vehicle tank temperature Cool tank or reduce number of open
nozzles
Pump Not Running Contactor coil is not engaged Emergency stop, dispenser
switch and contactor wiring Close all switches, replace contactor
or coil if faulty
Contactor faulty With coil engaged, is there
voltage to pump? Replace contactor
No power Voltage into control box Check circuit breakers
Pump Is Noisy Pump staging has failed Have filters been clogged? Clean filters and service pump
Motor is single phased Amperage or voltage to
motor If one leg is zero, contactor or power
supply is faulty
Motor bearings have failed Pressure and amperage Replace motor
Symptom Cause of Trouble What to Check How to Correct