info@csctrucks.com +86 136 4729 8000
Mobile Fuel Dispenser Truck Fault Analysis

Mobile Fuel Dispenser Truck Fault Analysis

Oct 31, 2019

Mobile Fuel Dispenser Truck Fault Analysis

 

1.     Gun Motor Does Not Running

l  Failure: Three-phase power supply power shortage; Remedy: Check the power supply line

l  Failure reasons: oil gun switch board bad (oil indicator light does not light guns).

l  Failure: driver board relay contact burn; Remedy: repair, replacement driver board

l  Failure reasons: burning the motor coil; Remedy: motor coil rewinding

l  Failure: No board 5V control signal output; Remedy: repair or replace the motherboard mother board

l  Failure reasons: a bad power supply board (power light does not shine); Remedy: repair the power board or for board.

 

2.     Gun No Oil Flow Pumping Out from the Nozzle

l  Failure: switch board bad (oil gun does not light); Remedy: Replace the switch board

l  Failure: board 5V control signal is not joint; Remedy: replace the motherboard repair

l  Failure: Driver board relay contact burn; Remedy: Replace driver board or the relay

 

3.     LCD Display Problem

l  Failure: liquid crystal film without latching pin; exclusion method: allocate re-insert

l  Failure: liquid crystal film damage; exclusion method: for liquid crystal film

l  Failure: display board circuit board Weld; Remedy: Try re-soldering

l  failure reasons: bad display panel; exclusion method: for display board

 

4.     Control Panel Faulty

l  Failure: not a key; Remedy: change or clean the key grain

l  Failure: a row, a column not; exclusion method: Line a loose or broken wire

l  Failure: all key not work; exclusion method: electronic locks have not closed; for board

l  failure reasons: bad display panel; exclusion method: for display board