DT Series - Installation manual (V3_2020)
33
NOTES:
1.
During an alarm, the ALARM light that corresponds to the malfunction flashes at 1
second intervals. The status of the other four lights indicates the type of
malfunction (see table 10).
2.
Pressing down the reset button brings back the flame safeguard relay to its normal
operating mode.
3.
The last 6 alarm codes are stored in the relay's memory. A plug-in display is required
to read them.
13.2.
STATUS OF WARNING LIGHTS (FIREYE)
The table below lists the most common and important codes concerning unit operation.
(Refer to manufacturer for other codes not listed in this table).
NOTE:
A complete troubleshooting list is shown on pages 35 and 36
TROUBLE
CODE
TROUBLE DESCRIPTION
(ALARMS)
OPR
CTRL
AIR
FLOW
PTFI
FLAME ALARM
6
FREQUENCY NOISE
●
O
O
●
*
7
PILOT FLAME FAILURE (PTFI)
O
●
●
●
*
19
BURNER FLAME FAILURE (MTFI)
O
O
●
●
*
21
OPEN AIR PRESSURE SWITCH
●
●
●
O
*
54
GROUND FAULT
O
O
O
●
*
55
FAULTY PROGRAMMER
O
O
●
O
*
56
FAULTY AMPLIFIER
●
O
O
O
*
Table 10: Status warning lights (Fireye)
WARNING LIGHTS:
● = OFF
O = ON
* = FLASHING
Figure 13: FIREYE flame safeguard relay