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4-1
Z MED Medical Air System
4107 9022 67.00
4.0 Troubleshooting
For troubleshooting compressors refer to Problem Solving in the “ZT/ZR Instruction Book”
manuals supplied separately with each compressor module.
Problem
Possible Causes
Solution
Failure to start
Main power disconnected
Power failure
Main fuse blown
Fuse blown in control circuit
Overload tripped on starter
High temperature switch activated
Low Oil Pressure
Loose or faulty connection
Turn on main power
Restore power
Replace fuse
Replace fuse
Reset & check for system overload
Allow unit to cool; reset & check for
over temperature condition
Check oil level
Check oil level switch operation
Check & tighten all wire connections
Power failure
Main fuse blown
Fuse blown in control circuit
Replace fuse
Replace fuse
Compressor shuts off
unexpectedly
Overload tripped on starter
Faulty pressure transducer
High temperature switch activated
Low oil pressure
Reset & check for system overload
Adjust or replace
Allow unit to cool; reset switch &
check for over temperature condi-
tion
Check oil level
Check oil level switch operation
Compressor capacity
or working pressure
lower than normal
Air consumption exceeds capacity
of compressor
Safety valve leaking
Check pneumatic plant
Remove leaking valve, repair or re-
place valve
Oil pressure too low
Oil level to low
Oil filter clogged
Top off oil level to middle of oil level
sight glass
Replace filter