Tft Series Installation and Operation Instructions
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Trinity
71
Table 16-3
Hold and Lockout Codes
Code
Description
Note
2
Waiting for safety data verification
Lockout
3
Internal fault: Hardware fault
Hold
4
Internal fault: Safety Relay key feedback error
Hold
5
Internal fault: Unstable power (DCDC) output
Hold
6
Internal fault: Invalid processor clock
Hold
7
Internal fault: Safety relay drive error
Hold
8
Internal fault: Zero crossing not detected
Hold
9
Internal fault: Flame bias out of range
Hold
10
Internal fault: Invalid Burner control state
Lockout
11
Internal fault: Invalid Burner control state flag
Lockout
12
Internal fault: Safety relay drive cap short
Hold
13
Internal fault: PII shorted to ILK
Hold / Lockout
14
Internal fault: HFS shorted to LCI
Hold / Lockout
15
Internal fault: Safety relay test failed due to feedback ON
Lockout
16
Internal fault: Safety relay test failed due to safety relay OFF
Lockout
17
Internal fault: Safety relay test failed due to safety relay not OFF
Lockout
18
Internal fault: Safety relay test failed due to feedback not ON
Lockout
19
Internal fault: Safety RAM write
Lockout
20
Internal fault: Flame ripple and overflow
Hold
21
Internal fault: Flame number of sample mismatch
Hold
22
Internal fault: Flame bias out of range
Hold
23
Internal fault: Bias changed since heating cycle starts
Hold
24
Internal fault: Spark voltage stuck low or high
Hold
25
Internal fault: Spark voltage changed too much during flame sensing time
Hold
26
Internal fault: Static flame ripple
Hold
27
Internal fault: Flame rod shorted to ground detected
Hold
28
Internal fault: A/D linearity test fails
Hold
29
Internal fault: Flame bias cannot be set in range
Hold
30
Internal fault: Flame bias shorted to adjacent pin
Hold
31
Internal fault: SLO electronics unknown error
Hold
32
Internal fault: Safety Key 0
Lockout
33
Internal fault: Safety Key 1
Lockout
34
Internal fault: Safety Key 2
Lockout
35
Internal fault: Safety Key 3
Lockout
36
Internal fault: Safety Key 4
Lockout
37
Internal fault: Safety Key 5
Lockout
38
Internal fault: Safety Key 6
Lockout
39
Internal fault: Safety Key 7
Lockout
40
Internal fault: Safety Key 8
Lockout
41
Internal fault: Safety Key 9
Lockout
42
Internal fault: Safety Key 10
Lockout
43
Internal fault: Safety Key 11
Lockout
44
Internal fault: Safety Key 12
Lockout
45
Internal fault: Safety Key 13
Lockout
46
Internal fault: Safety Key 14
Lockout
47
Flame rod to ground leakage
Hold
48
Static flame (not flickering)
Hold
49
24VAC voltage low/high
Hold
50
Modulation fault
Hold