ALLIANCE CA050L Installation Operation & Maintenance page 84

Operating Instructions
Flame Probe Tests
Unexpected Presence of Flame
The Unexpected Presence of Flame test is performed
when no flame is expected. Failure of this test results
in the ignition control entering Lockout Mode with the
Diagnostic LED displaying Error Code 3.
Flame Monitoring
During the Flame Monitoring test, the flame is
checked to ensure the gas is being burned when the gas
valve is on. Failure of this test will result in the
ignition control entering Lockout Mode with the
Diagnostic LED displaying Error Code 3.
Error
Code
Red
1
2 Red Flashes
2
3 Red Flashes
3
4 Red Flashes
4
Slow Red and Green Flashes
5
Fast Red and Orange Flashes
6
1 Diagnostic (DGN) LED
Figure 54
82
DGN LED status
1
TMB2176N
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Diagnostic LED (DGN LED)/Error Codes
The Diagnostic LED or DGN LED is located by the
power connector on the ignition control. Refer to
Figure 54. The Diagnostic LED will indicate the status
of the ignition control. Refer to Table 17.
LED Color
Orange-Yellow Initialization
Green Standby/Normal Operation
Red Fault Indication Code
Table 17
The Diagnostic LED will flash error codes one half
second on and one half second off. Error codes are
separated by a one second pause before the code is
repeated.
Fault Type
Ignition Control Internal Failure
Gas Valve Not Connected
Ignition/Flame Sense Failure
Reset Switch is Shorted
Low Voltage Detection
Ignition Control is in Reset Delay
Description
70457901ENR7