morse AHT 20 Manuel D'instructions page 22

MEMBRANE FUNCTION OF BEKOMAT 32 AHT 150-350
TROUBLESHOOTING BEKOMAT 32 AHT150-350
The detection of defects should be carried out by qualified personnel.
SYMPTOM
Power-LED no
lighting up.
Pressing of Test
button, but no
condensate
discharge.
Condensate
discharge only when
Test button is
pressed.
Drain keeps blowing
off air.
Drain in alarm
condition.
POSSIBLE CAUSE - SUGGESTED ACTION
Check for mains failure.
Verify the electric wiring (internal and/or external).
Check internal printed circuit board for possible damage.
The service valve located before the drain is closed - open it.
The dryer is not under pressure - restore nominal condition.
Solenoid valve defective. Replace Service Unit (see para 5.17 MAINTENANCE
BEKOMAT).
The internal printed circuit board is damaged - replace the drain.
Too much internal dirt. Replace Service Unit (see para 5.17 MAINTENANCE
BEKOMAT).
Replace Service Unit (see para 5.17 MAINTENANCE BEKOMAT).
The service valve located before the drain is closed - open it.
The dryer is not under pressure - restore nominal condition.
Replace service unit (see para 5.17 MAINTENANCE BEKOMAT).
GB