Table des Matières
Publicité
TROUBLESHOOTING GUIDE
PROBLEM
The display
doesn't work.
The display
shows the
letter "P" and
the defective
probe pilot
light is on.
The Defective
Probe Pilot
Light is on.
34
TC4-NVS.rev.04
CAUSE
The circuit breaker on
the service panel is off
or tripped.
The wiring is incorrect.
The F6 input fuse is
open.
The voltage selector
switch is in the wrong
position.
The display board
interconnect cable is
unplugged from the
power supply board.
All the probes con-
nected to the controller
are defective.
One or more probes
are defective.
SOLUTION
Reset the circuit breaker.
Fix the wiring.
Replace the fuse.
Set the switch to the correct
position.
Plug the cable.
Replace the probes.
Follow the procedure described
in DEFECTIVE PROBES to
identify and replace the defec-
tive probe.
Publicité
Table des Matières
