Duke FLEXIBLE BATCH BROILER Specifications download pdf (Page 63)

Troubleshooting

Step 3 Components

Troubleshooting

Step 3 Components

Ignition Cable-Check for continuity

through upper ignition cable

Upper Ignition Module

Input Voltage Check Output Voltage Check

Power -

24 VAC across R & GND

from right side transformer

24 VAC across V1 & V2 to

upper gas valve

Diagnostic LED

Flash indication will occur once immediately after the failure.

1 flash = Powering on

2 flashes = Have flame, but no call from heat across TH & GND

3 flashes = Ignition Lockout ( only after 2 unsuccessful attempts to

ignite and sense flame).

4 flashes = Valve relay lockout (indication of internal module

failure)

15 second ignition attempt

5 second inter purge

Sparking will stop if flame sense measures above 0.7 micro amps

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Duke FLEXIBLE BATCH BROILER Specifications Page 63