Quincy Compressor QED 1050 Instruction And Maintenance Manual - page 92
Manual is about: Refrigerant Compressed Air Dryers
of
99
Condition
Fault
Remedy
Motor overload protection of
refrigerant compressor motor
has tripped
Have motor checked
For resetting: see the section
Electrical system
High-pressure switch tripped
See above
-
Condensate drain remains
inoperative
Automatic drain system
clogged
Flush the assembly by opening
manual drain valve.
Have system inspected
-
Condensate trap continuously
discharges air and water
Automatic drain system out of
order
Have system checked. If necessary
replace automatic drain
-
Evaporator pressure is too high
or too low at unload
Hot-gas by-pass valve
incorrectly set or out of order
Have hot-gas by-pass valve adjusted
Condenser pressure too high
or too low
See above
Shortage of refrigerant
Have circuit checked for leaks and
recharged
Instruction book
2920 1818 00
91