Condition Fault Remedy
On water-cooled dryers, cooling
water temperature too high
Arrange so as to decrease
temperature
Regeneration cooler clogged
internally
Consult Atlas Copco
Only on water-cooled dryers,
water flows from one or both
electronic water drains during
unloaded operation and after dryer
has been stopped
Regeneration air cooler core tube
broken
Remove cooler, plug broken tube or
replace cooler core
Regeneration air inlet temperature
too low
Hot-air shut off valve closed Open the valve
Compressor loading periods too
short
Take necessary action to increase
duration of loading periods
Nozzle of ejector partly obstructed Remove and clean nozzle.
Investigate cause
Instruction book
125
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