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3. Manually shut off all fuel and observe the loss of flame signal on the test meter.
4. If flame signal does not reduce to zero within the flame failure response time of the control
(FFRT determined by the selection of the amplifier), verify the UV flame detector is not actu-
ated by the ignition spark. If spark is detected, a metallic shield or relocation of the UV detector
is required.
5. IMPORTANT: When the test is completed, reconnect the spark ignition to Terminal #4.
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