39
BACnet / Boilers
Table 37. Lock and Hold Codes
Code
Description
Recommended Troubleshooting of Lockout Codes
106
Flame lost in MFEP
1.
&KHFNSLORWYDOYH0DLQ9DOYHIRU'6,ZLULQJDQGRSHUDWLRQFRUUHFWDQ\HU
-
rors.
2. Check the fuel supply.
3. Check fuel pressure and repeat turndown tests.
4.
&KHFNLJQLWLRQWUDQVIRUPHUHOHFWURGHÀDPHGHWHFWRUÀDPHGHWHFWRUVLWLQJRU
ÀDPHURGSRVLWLRQ
5. If steps 1 through 4 are correct and the fault persists, replace the module.
107
Flame lost early in run
108
Flame lost in run
109
Ignition failed
110
Ignition failure occurred
Hold time of recycle and hold option. Will not be a lockout fault. Hold Only.
111
)ODPHFXUUHQWORZHUWKDQ:($.WKUHVKROG
Internal hardware test. Not a lockout.
112
3LORWWHVWÀDPHWLPHRXW
,QWHUUXSWHG3LORWRU'6,DSSOLFDWLRQDQGÀDPHORVWZKHQV\VWHPLQ³WHVW´PRGH
1. Reset the module to restart.
113
Flame circuit timeout
Flame sensed during Initiate or off cycle, hold 240 seconds, if present after 240
seconds, lockout.
114-121
RESERVED
Rate Proving Faults
122
Lightoff rate proving failed
1. Check wiring and correct any potential wiring errors.
2.
&KHFN+LJK)LUH6ZLWFKWRDVVXUHSURSHUIXQFWLRQQRWZHOGHGRUMXPSHUHG
3. Manually drive the motor to the High Fire position and adjust the HF switch
while in this position and verify voltage through the switch to the HFS input with
a voltmeter.
4. If steps 1-3 are correct and the fault persists, replace the module.
123
Purge rate proving failed
124
+LJK¿UHVZLWFK2))
1. Check wiring and correct any potential wiring errors.
2.
&KHFN+LJK)LUH6ZLWFKWRDVVXUHSURSHUIXQFWLRQQRWZHOGHGRUMXPSHUHG
3. Manually drive the motor to the High Fire position and adjust the HF switch
while in this position and verify voltage through the switch to the HFS input with
a voltmeter.
4. If steps 1-3 are correct and the fault persists, replace the module.
125
+LJK¿UHVZLWFKVWXFN21
126
/RZ¿UHVZLWFK2))
1. Check wiring and correct any potential wiring errors.
2.
&KHFN/RZ)LUH6ZLWFKWRDVVXUHSURSHUIXQFWLRQQRWZHOGHGRUMXPSHUHG
3. Manually drive the motor to the High Fire position and adjust the LF switch
while in this position and verify voltage through the switch to the LFS input with
a voltmeter.
4. If steps 1-3 are correct and the fault persists, replace the module.
127
/RZ¿UHVZLWFKVWXFN21
128
Fan speed failed during prepurge
1. Check wiring and correct any potential wiring errors.
2. Check VFDs ability to change speeds.
3. Change the VFD
4. If the fault persists, replace the module.
129
Fan speed failed during preignition
130
Fan speed failed during ignition
131
Fan movement detected during standby
132
Fan speed failed during run
133-135
RESERVED
Start-Check Faults
136
,QWHUUXSWHG$LUÀRZ6ZLWFKIDLOHGWRFORVH
1. Check wiring and correct any possible wiring errors.
2.
&KHFN,QWHUUXSWHG$LUÀRZVZLWFKHVWRDVVXUHSURSHUIXQFWLRQ
3.
9HULI\YROWDJHWKURXJKWKHDLUÀRZVZLWFKWRWKH,$6LQSXWZLWKDYROWPHWHU
4. If steps 1-3 are correct and the fault persists, replace the module.
137
,/.IDLOHGWRFORVH
1. Check wiring and correct any possible shorts.
2.
&KHFN,QWHUORFN,/.VZLWFKHVWRDVVXUHSURSHUIXQFWLRQ
3. Verify voltage through the interlock string to the interlock input with a voltmeter.
4. If steps 1-3 are correct and the fault persists, replace the module.
138-142
RESERVED
143
Internal fault: Flame bias out of range 1
144
Internal fault: Flame bias out of range 2
145
Internal fault: Flame bias out of range 3
146
Internal fault: Flame bias out of range 4
147
Internal fault: Flame bias out of range 5
148
Internal fault: Flame bias out of range 6
)DXOW&RGHV7KURXJKDUH2(06SHFL¿F)DXOW&RGHV
149
Flame detected
2(06SHFL¿F
1.
+ROGVLIÀDPHGHWHFWHGGXULQJ6DIH6WDUWFKHFNXSWR)ODPH(VWDEOLVKLQJ
period.
150
Flame not detected
2(06SHFL¿F
1. Sequence returns to standby and restarts sequence at the beginning of Purge
D)VZLWFKRSHQV,IÀDPHGHWHFWHGGXULQJ6DIH6WDUWFKHFNXSWR
Flame Establishing period.
Summary of Contents for ETH-1000
Page 53: ...53 NOTES NOTES...
