Doosan P185WDOU-T4F, Operation And Maintenance Manual

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TROUBLESHOOTING Operation & Maintenance Manual
Loose or broken belts. Tighten or replace belt set.
Loose wire connection. Check wires at switches
and connectors to find loose
connection. Make repairs.
See Electronic Service
Manual.
Low battery voltage. Check battery condition,
recharge if necessary.
Check electrolyte level, add
if necessary. Check cable
connections, clean and
tighten as needed.
5. Low electrical system
voltage
Malfunctioning alternator. Repair or replace alternator.
Ambient temperature above
rated ambient temperature
range. Operate in cooler
environment.
Compressor tilted beyond
out-of-level operating limit. Reposition or relocate
compressor to be more level.
Low compressor oil. Add compressor oil. Look for
and repair any leaks.
Wrong compressor oil. Change compressor oil.
Review compressor oil
specification.
Dirty cooler(s). Clean exterior of cooler(s).
Dirty operating conditions. Move compressor to cleaner
environment.
Clogged compressor oil
filter(s).
Replace compressor
oil filter(s) and change
compressor oil.
Loose or broken belts. Tighten or replace belt set.
Operating pressure too high. Reduce pressure to rated
operating pressure.
Recirculation of cooling air. Close enclosure doors.
Close and secure access
panels. Check for loose or
missing belly pans.
Malfunctioning compressor
oil thermostat. Replace thermostat element
in conventional bypass
valve, if equipped. Replace
valve.
Loosen or broken belts. Tighten or replace belt set.
Malfunctioning minimum
pressure valve. Repair or replace valve.
6. High compressor oil
temperature
101