JEVI A/S
IOM 08099900
EN, DE, NL
03-2023
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10.0 Trouble shooting
Disconnect all power sources prior to any inspection, service, or cleaning. Hazard for elec-
tric shock exists while the equipment is connected.
For maintenance requiring repair or replacement of components, contact the factory im-
mediately 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 tem-
perature
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