PUREGAS, LLC
P1500W2 Series Air Dryers User’s Guide
Page 91 of 100
P012253 – Rev. H
13.13 Inconsistent Heatless Dryer Cycling
Possible Cause
Check
Corrective Action
Defective Solenoid
Valve
Measure voltage going
to the Heatless Dryer
Solenoid Valves
(section 9.8 )
If voltage
IS
present,
replace Solenoid Valves
included in the 8,000
Hour Maintenance Kit
(section 11.4 )
Defective Cycle Timer
Measure voltage going
to the Heatless Dryer
Solenoid Valves
(section 9.8 )
If voltage
IS NOT
present, replace the
Cycle Timer
(section 11.3 )
13.14
Compressor Doesn’t Operate
Possible Cause
Check
Corrective Action
System is in Shutdown
state
On the Display Panel,
verify that the system is
in
SHUTDOWN
state
Press the
RESET
Button
Defective Compressor
Measure Compressor
voltage
(section 9.3 )
If voltage is good,
replace Compressor
(section 11.2 )
or send it in for repair
(section 12. )
No power to
Compressor
Measure Compressor
voltage (section 9.3 )
If voltage is not present
or fluctuates, continue to
next Possible Cause
Defective Solid State
Relay
Measure AC voltages at
Solid State Relay
(section 9.5 )
If measurements are
bad, replace Solid State
Relay (section 11.1 )
Defective Control Board Measure DC voltages at
Solid State Relay
(section 9.5 )
If measurements are
incorrect, replace
Control Board (section
11.2 )
Summary of Contents for P1500W2
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