Radio Frequency Systems
BD4200W Series Air Dryer User’s Guide
Page 106 of 114
100518835 - Rev. B
13.16 Compressor Excessive AMP Draw
Possible Cause
Check
Corrective Action
Restriction in air line
Remove Discharge
Hose from Compressor
(see section 11.3 for
location of hose)
Re-measure
Compressor AMP
Draw
(section 9.2 )
If measurement is
below the
recommended running
amps, trace hoses from
Compressor to
Unloader Valve looking
for restrictions or kinks
Compressor failing
Remove Discharge
Hose from Compressor
(see section 11.5 for
location of hose)
Re-measure
Compressor AMP
Draw
(section 9.2 )
If measurement is still
above recommended
amps, replace
Compressor
(section 11.3 )
or send it in for repair
(section 12. )
13.17 Compressor Last Run Time Alarm
Possible Cause
Check
Corrective Action
Low System Pressure
Verify System Pressure
(section 8.14 )
Adjust System Pressure
to 50 PSI/345 KPa
(section 8.14 )
High Flow condition
Verify Flow Rate
(
FLOW
) reading is not
higher than expected
(section 8.4.6.2 )
Troubleshoot High
Flow Alarm condition
(section 13.9 )
Defective Unloader
Valve
Test Unloader Valve
operation (section 9.8 )
If this is continuously
flowing high amounts
of air, the Unloader
Valve is defective.
Replace Unloader
Valve
(section 11.4 )
Defective Heatless
Dryer Solenoid Valve
Verify consistent
Heatless Dryer cycling
(section 9.7 )
If either side is
continuously flowing
high amounts of air, the
Solenoid Valve is
defective.
Replace Solenoid
Valves included in the
8,000 Hour
Maintenance Kit
(section 11.6 )
Summary of Contents for BD4200W Series
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