ULTRA HIGH EFFICIENCY POWER VENT/POWER DIRECT VENT - SERVICE MANUAL
FAULT MESSAGES (CONT)
DISPLAYED MESSAGE | CHECK/REPAIR | |
CONDITION/INDICATES | ||
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“Low Igniter Current” | • Check all wiring between CCB’s J5 Socket | |
| (page 35) pins 1 & 2 and the hot surface igniter. | |
The control system has detected less than 2.0 AC | Repair/replace anything worn or damaged as | |
necessary. | ||
amps through the igniter during the igniter warm up | ||
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period. | • Perform close visual inspection of the pins | |
| inside the CCB J5 plug and socket - ensure | |
| plugs and sockets are mating properly and pro- | |
| viding good contact. Repair/replace anything | |
| worn or damaged as necessary. | |
| • With power turned on and a call for heat active - | |
| ensure there is 120 VAC between pins 1 & 2 of | |
| the CCB’s J5 Socket during the igniter warm up | |
| period. - the igniter lighting bolt icon will appear | |
| on the UIM display during the igniter warm up | |
| period. See Table 4 on page 30. | |
| • Turn off power to the water heater - disconnect | |
| wires to igniter at the igniter. Check for continu- | |
| ity between the two igniter wires. If the igniter | |
| shows to be an open circuit - replace the igniter. | |
| • With power turned on and a call for heat active - | |
| check amp draw through the igniter with an AC | |
| amp meter during the igniter warm up period. | |
| This procedure is illustrated and explained on | |
| page 25. Replace igniter if amp draw is less | |
| than 3.0 AC amps. | |
| • Call the technical support phone number shown | |
| on the water heater labeling for further assis- | |
| tance if the problem has not been corrected | |
| after performing the procedures outlined here. | |
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Technical Literature Department | 49 of 52 | Ashland City, TN © 2008 |
Servicing should only be performed by a Qualified Service Agent |
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