Gardner Denver VSS Series, Operation & Maintenance Manual

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SECTION 7 TROUBLESHOOTING GUIDE
PROBLEM POSSIBLE CAUSE SOLUTION
DRYER DOES NOT START WHEN THE
POWER SUPPLY IS TURNED ON
AUTOMATIC MODE
DEWPOINT LAMP DOES NOT TURN ON MAIN SWITCH IS NOT ON
SUPPLY VOLTAGE IS OUT OF RANGE OR
NOT CORRECT
POOR CONNECTION
LAMP IS BURNED OUT
TURN ON THE SWITCH
MAKE VOLTAGE ADJUSTMENT OR APPLY
CORRECT VOLTAGE
REPAIR CONNECTION
REPLACE THE CONTROLLER
RUN LAMP DOES NOT TURN ON LAMP IS NON FUNCTIONAL
AIR PRESSURE IS LOW
REPLACE THE CONTROLLER
BRING AIR PRESSURE INTO PROPER
RANGE
AIR PRESSURE SWITCH IS NON
FUNCTIONAL SWITCH TO MANUAL AND REPLACE
SWITCH
ALARM LAMP IS ON SAFETY IS TRIPPED REMOVE POWER AND CLEAR SAFETY
MANUAL MODE
DEWPOINT LAMP DOES NOT TURN ON MAIN SWITCH IS NOT ON
SUPPLY VOLTAGE IS OUT OF RANGE OR
NOT CORRECT
POOR CONNECTION
LAMP IS BURNED OUT
TURN ON THE SWITCH
MAKE VOLTAGE ADJUSTMENT OR APPLY
CORRECT VOLTAGE
REPAIR CONNECTION
REPLACE THE CONTROLLER
RUN LAMP DOES NOT TURN ON LAMP IS NON FUNCTIONAL
START SWITCH IS NON FUNCTIONAL
REPLACE THE CONTROLLER
REPLACE THE CONTROLLER
SAFETY IS TRIPPED
YELLOW LAMP ( HIGH TEMP SIDE OF
DEWPOINT LAMP IS ON) REFER TO 3-1
AMBIENT TEMP IS LOW
INLET AIR TEMP IS LOW
COLD AIR IMPINGEMENT ON CONDENSER
REMOVE POWER AND CLEAR SAFETY
CORRECT LOW AMBIENT CONDITION
CORRECT INLET AIR TEMP CONDITION
CORRECT AIR PROBLEM