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All installations and services must be performed by qualified service personnel.
3. Operational Check
: Before troubleshooting, familiarize yourself with the start up and
check out procedures
NOTICE: After reassembling the appliance, check for fuel oil leakage from
the supply piping.
a. Check proper operation of the ignition system and for proper combustion.
b. Observe the main burner flame. If the flame appears strange or abnormal in
character, look for a component or components that were not reassembled
correctly. If the components have been reassembled correctly, check for a
blocked vent, malfunctioning combustion air blower or fuel pump, and partially
blocked burner nozzle.
C. Electrical System
: When servicing controls, label all wires prior to disconnecting.
Correctly reconnect any wires removed during servicing. Wiring errors can
cause improper and dangerous operation. Dangerous operation can result in
injury or damage.
1. Check all wiring for loose connections and any signs of damage, or unusual
wear. Replace any damaged or frayed wiring and tighten any loose connections.
2. Use a voltmeter, or a multimeter, to check for adequate voltage at the field
connections when the appliance operating.
3. Use an ammeter, or a multimeter, to check the current draws of the blower
motor, burner assembly, and air conditioning compressor to assure they are not
exceeding rating label current specifications for each component. Also, refer to
Table 5 for electrical specifications on these components.
4. Check for correct operation and proper settings (if manually adjustable) of all
controls.
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