19 Sty 2014 12:04
23 Sty 2014 21:30
Error Code 2 - Low Pressure Lock Out
Effect
The unit cannot cool the cab The compressor disengages.
Description
The low pressure switch opens for longer than 1 minute.
Causes
The system is undercharged.
Remedy
Check the continuity of switch (usually closed switch).
Check the gas in system and recharge, refer to table.
Causes
There is no power to the low pressure switch.
Remedy
Check for 24V at the switch.
Check the continuity between ATC control module pin 35 and switch.
Causes
There is a bad earth on the low pressure switch.
Remedy
Check the earth wire between ATC control module pin 36 and switch.
Causes
There is a defective switch.
Remedy
Replace the switch.
Note: If an Error code shows after one minute this can show a system error.
Note: If an Error code shows instantly this can show a wiring error.
Note: Battery reset may be required to remove the error after repair.