Lennox Merit MPE36 Service Manual page 35

Merit series
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Testing the heater
Continuity test Fuse
Plate Assembly
Remove one black lead
as shown.
Set multimeter to "Ohms"
to measure resistance.
Touch probes to spade
connectors on fuse plate
assembly as shown.
If multimeter displays "1"
the fuse plate assembly
has failed and must be
replaced.
Failure of the fuse plate
assembly may indicate
incorrect wiring in the
junction box or of the
heater element, or the
possibility of a short
circuit .
Check and confirm all
wiring before
reactivating power
supply.
(continued)

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