TM 5-3895-374-24-2
EP260 ADDITIONAL MESSAGES
DESCRIPTION
HOLD MESSAGES (CONTINUED)
See description on page 7 for "LOCKOUT CHECK SCANNER"
The control has finished purge and the firing rate motor is driving to the low
fire position waiting for that switch (M-D) to close it will hold in this position
for ten minutes and then lockout if the M-D circuit does not close
See description on page 7 for "LOCKOUT SCANNER NOISE"
The control has sensed an excessive current of short circuit external to
Terminals 5, 6, or 7. This message will hold for 15 sec (post purge) and
then the control will lockout on the second consecutive event and display the
appropriate message
DESCRIPTION
LOCKOUT MESSAGES
The running interlock circuit (3-P) has opened during the purge period
and remained open for ten minutes.
The fuel salve end switch wired between terminals 13 & 3 on the wiring
base opened during purge or at initial burner start up.
A flame has been sensed by the scanner for more than 60 seconds
during the burner off time
A flame has been sensed by the scanner for more than 4 seconds
during the purge period
A flame failure occurred during the main burner on period.
A flame failure occurred during the main trial for ignition period.
A flame failure occurred during the pilot trial for ignition period.
An internal failure has been detected in the programmer module.
Replace it. Check also for scanner wires routed near ignition noise
cables on the burner.
Note: Messages more than 8 characters in length will scroll from right to left on the display
continuously.
(page 3 - 1072)
