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10.0 Trouble shooting
Disconnect all power sources prior to any inspection, service, or cleaning. Hazard for
electric shock exists while the equipment is connected.
For maintenance requiring repair or replacement of components, contact the factory
immediately for further instruction. Only the failures within the scope of normal
maintenance are listed below. If a problem is not listed or it is not eliminated by listed
corrective measures, immediately contact JEVI A/S for assistance.
Problem
Possible cause
Possible correction
Heater/Resistor failure Loose bus bar
Heater/Resistor
element burned out
Tighten failed resistor bank.
Disconnect element and
use spare
Temperature switch
trip
Heater/Resistor over
temperature
Ensure air intake and
exhaust are clear of foreign
particles or blockage.
Check fan operation
Pressure differential
trip
Loose connections.
Intake obstruction
Check all connections.
Remove and clean.
*See text on page 16
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