Altec AIR, LLC
P210WLP Series Air Dryer User’s Guide
Page 87 of 96
P017455 – Rev. N
Replace defective fan
(section 11.1 )
High Ambient
Temperature
Verify temperature of
Dryer operating
location. Recommended
ambient temperature is
40°-85°F.
Lower the ambient
temperature of the
Dryer’s operating
location
13.13 Inconsistent Heatless Dryer Cycling
Possible Cause
Check
Corrective Action
Defective Solenoid
Valve
Measure voltage going
to the Heatless Dryer
Solenoid Valve
(section 9.6 )
If
110 - 125 VAC
for
the P210WLP or
208 -
253 VAC
for the
P212WLP
IS
present,
replace Solenoid valve
Defective Cycle Timer
Measure voltage going
to the Heatless Dryer
Solenoid Valves
(section 9.6 )
If
110 - 125 VAC
for
the P210WLP or
208 -
253 VAC
for the
P212WLP
IS
NOT
present, replace cycle
timer
(section 11.3 )
13.14 Compressor Doesn’t Operate
Possible Cause
Check
Corrective Action
Defective compressor
Measure compressor
voltage
(section 9.3 )
If voltage is good,
replace compressor
(section 11.1)
or send it in for repair
(section 12. )
Defective control board Measure compressor
voltage
(section 9.3 )
If measurements are
incorrect, replace
control board (section
11.1 )
System is in Shutdown
state
On the Display Panel,
verify that the system is
in
SHUTDOWN
state
Press the
RESET
Button
Compressor stalled
Measure compressor
voltage
(section 9.3 ) & Verify
System Pressure
(section 8.9 )
Adjust incoming
voltage / system
pressure if necessary
and Power the air Dryer
OFF
for 15+ seconds.
Power the air Dryer
ON
.