900 Series
Code
9100 Series
LED
Meanings Corrective Action
C4
All LED Flashing
(flash, pause,flash,
pause, etc.)
3-Way Models Only - DC Heater Failed
(voltage but no current)
See Section 12 on page 18
C5
Current TEMP
SET LED Flashing
(flash, pause,
flash, pause, etc.)
Back-Up Operating System See Section 13 on Page 18
C6
All LED Flashing
(flash, pause,flash,
pause, etc.)
AC Heater Failed Open See Section 14 on Page 18
C7
All LED Flashing
(flash, pause,flash,
pause, etc.)
Flame Circuit Failure See Section 15 on Page 18
C8 Not applicable
AC Heater Failed - Current out of
Tolerance
See Section 16 on Page 18
C9
Flashing Battery
LED (flash flash
flash, pause, flash
flash flash, pause,
etc)
DC Heater Failed - Current out of
Tolerance- 3 WAY Models Only
See Section 17 on Page 18
d1 Not Applicable Internal Control Failure See Section 18 on page 19
14