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PSB INDUSTRIES INC.
•
General Air Division
•
1202 West 12th Street, Erie, PA. 16501 G5C Dryers
Phone : 814-45—3651 Fax : 814-454-3492
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www.PSBINDUSTRIES.com
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psb@genair.net
8/16 Cod. 710.062.01.00 – Rev.08 – 02.05.02
6.4 Digital Display
Message (NOT flashing) Description
Numeric Value Dewpoint Temperature
“ICE” Energy Saving Standby Mode
6.5 Error Codes
The controller recognizes specific types of operational errors. When an error occurs the display shows a flashing alarm message
alternating with the current dewpoint value, as described below:
Message (flashing) Cause
HtA High Dewpoint Temperature
PF1 Temperature Sensor failure
All the alarms except for PF1 are automatically reset when the cause is removed. PF1 must be cleared by switching the unit off and
then re-started. PF1 has a priority over all the other displayed messages.
7.0 TROUBLESHOOTING
SYMPTOM POSSIBLE ORIGIN SOLUTION
Temperature shown in
display is higher than
preset value
High compressed air inlet temperature
High compressed air flow
High ambient air temperature
Fouled refrigerant condenser
Low refrigerant charge
Faulty refrigerant compressor
Faulty refrigerant solenoid valve
Faulty fan thermostat
Faulty control relay
Refrigerant high pressure switch open
Reduce air temperature to within design limits
Reduce air flow to within design limits
Increase ventilation rate of installation area
Clean condenser
Locate & repair leak & re-charge
Repair or replace
Repair or replace
Repair or replace
Repair or replace
Eliminate cause & reset switch
Excessive air pressure
drop across dryer
Inlet/outlet piping reversed
Thermostat sensor out of well
Faulty thermostat
Ambient temperature below freezing
Obstruction in air circuit
Connect properly
Re-install
Repair or replace
Install dryer in heated space
Locate & remove blockage
Water present in air
downstream of dryer
Air by-pass valve open
Condensate drain strainer fouled
Faulty condensate drain
High dew point temperature
Close valve
Clean strainer
Repair or replace
See Symptom #1 above