Maxitrol Mertik GV60, Advanced Troubleshooting

Page: 49 / 57

49
TEST: Test the thermocouple circuit voltage by measuring
the mV at the red and black connections at the
thermocouple interrupter block.
PROCEDURE: (a) Connect “+” test probe on the red wire.
Connect “-” test probe to ground,
e.g. valve body or appliance chassis.
(b) Repeat with the black wire.
Subtract black reading from red.
RESULT: The result should be about a 4 – 6 mV drop.
Troubleshooting the GV60
Testing the Electronics
© 2013, Maxitrol Company
f i r e - p a r t s . c o m