ICC ETH-1000, Installation Manual

Page: 36 / 54

36
BACnet / Boilers
Boiler Modulating Sensor Select/DHW Demand Switch
Table 36. BACnet/Boiler Modulating Sensor Select/DHW Demand Switch
Value Response
0 DHW sensor
1 Outlet sensor
2 Inlet sensor
3 Modbus
4 Auto: DHW or Inlet
5 Auto: DHW or Outlet
Lock and Hold Codes
Table 37. Lock and Hold Codes
Code Description Recommended Troubleshooting of Lockout Codes
Safety Data Faults
1
8QFRQ¿JXUHGVDIHW\GDWD
1.
1HZ'HYLFHFRPSOHWHGHYLFHFRQ¿JXUDWLRQDQGVDIHW\YHUL¿FDWLRQ
2. If fault repeats, replace module.
2
:DLWLQJIRUVDIHW\GDWDYHUL¿FDWLRQ
3.
'HYLFHLQ&RQ¿JXUDWLRQPRGHDQGVDIHW\SDUDPHWHUVQHHGYHUL¿FDWLRQDQGD
GHYLFHQHHGVUHVHWWRFRPSOHWHYHUL¿FDWLRQ
4.
&RQ¿JXUDWLRQHQGHGZLWKRXWYHUL¿FDWLRQUHHQWHUFRQ¿JXUDWLRQYHULI\VDIHW\
SDUDPHWHUVDQGUHVHWGHYLFHWRFRPSOHWHYHUL¿FDWLRQ
5. If fault repeats, replace module.
Internal Operation Errors
3 Internal fault: Hardware fault Internal Fault.
6. Reset Module.
7. If fault repeats, replace module.
4 Internal fault: Safety Relay key feedback
error
5
,QWHUQDOIDXOW8QVWDEOHSRZHU'&'&
output
6 Internal fault: Invalid processor clock
7 Internal fault: Safety relay drive error
8 Internal fault: Zero crossing not detected
9 Internal fault: Flame bias out of range
10
,QWHUQDOIDXOW,QYDOLG%XUQHUFRQWUROVWDWH
11
,QWHUQDOIDXOW,QYDOLG%XUQHUFRQWUROVWDWHÀDJ
12 Internal fault: Safety relay drive cap short
13
,QWHUQDOIDXOW3,,VKRUWHGWR,/.
14 Internal fault: HFS shorted to LCI
15 Internal fault: Safety relay test failed due to feedback ON
16 Internal fault: Safety relay test failed due to safety relay
OFF
17 Internal fault: Safety relay test failed due to safety relay
not OFF
18 Internal fault: Safety relay test failed due to feedback not
ON
19 Internal fault: Safety RAM write