Troubleshooting
3A1937C
21
Temperature Control Module
Diagnostic Information
Module Status LEDs
Signal
Description
Green on
Temperature control module is
powered up.
Yellow on
Internal communication in prog-
ress.
Red solid
Temperature control module fail-
ure. See Troubleshooting table.
Red flashing
Software is updating.
Blue light off
(High Power
Module only)
Temperature control module is off.
See Troubleshooting table.
Blue flashing
(High Power
Module only)
Length of flashes indicates amount
of power running through tempera-
ture control module.
F
IG
. 8: LED Signals
LED
Signals
ti12353a1
