31
PV SERVICE PROCEDURE
IX
115 VAC Trace
Condensing PV Series
31
115 VAC Circuit Trace
Step 1. Verify 115 VAC and proper polarity at wall
outlet.
Step 2. With unit plugged in and control power
switch in the “ON” position verify LED
status.
WARNING
115 volt potential exposure. Use
caution to avoid personal injury.
Waiting for call to
heat.
Reconnect cord set
shown in photo 19.
Locate black & white wires at
connector, it may be
necessary to pull back wire
sheath to identify wire colors
(see photo 22).
Check for damage to
AC power supply cord.
Repair damage if
neccessary
Replace Gas
control.
Disconnect wire
harness from gas
control
(see photo 21).
Is there 115VAC across
black & white wires as
shown in photo 22?
Is there 115VAC
across pins 2 & 6?
Incorrect supply
voltage polarity.
Call for technical
support.
19
20
N
Y
Y
N
21
Wire Harness
Check for 115VAC between black & white wires.
-NOTE-
Electronic meter probes required. Use care not
to damage connector during this check.
22
Y
N
LED Status
Short Flash, once
every four seconds.
LED Status
“Heartbeat”,
alternates bright/dim.
Thermostat
calling for heat.
LED Status
Other error codes
flashing.
Verify error code as
listed on page 14.
Disconnect cord set
as shown in photo 19.
Using a volt meter set to
volts AC, and referring to
photo 20, is there 115VAC
across pins 1 & 2?
LED Status
None, Control LED
not on or flashing.
