Doosan P425CWJD - Compressor Code 50

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Book: 23227143 (8-24-2010) Rev CPage51
COMPRESSOR CODE 50
High Separator Tank Temperature
Troubleshooting Steps
Action Result
Step 1:
Check coolers and clean if necessary.
Clogged coolers
Step 2:
Check all harness connections between WEDGE
and RT1 temperature sensor.
Repair harness as needed
Step 3:
Disconnect RT1 from harness and plug thermistor
simulator (Part No. 22073878) into the harness
connector. Check WEDGE diagnostic display 7 to
verify temperature value is between -3
o
F and -13
o
F.
If temperature value on display
7 is not between -3
o
F and
-13
o
F, check for WJDing
problems
If temperature value on display
7 is between -3
o
F and -13
o
F,
replace RT1 temperature
sensor
Step 4:
If Steps 1 through 3 checkout OK, replace WEDGE.
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Explanation:
The WEDGE has detected a temperature from RT1 temperature sensor that is
greater than or equal to 248
o
F.
Effect:
Code 50 is a SHUTDOWN condition and will stop the machine. The Compressor
Malfunction light will be on solid, and Code 50 will be displayed.