5.2.4 016Error
Error occurrence conditions and check items
Bimetal
If the overheat controller on the heat exchanger is initiated during combustion/standby of the boiler, the
system displays the 016E (manually cleared) message on the front panel. The boiler switches into Lock-Out,
and performs post-purge continuously and operates the pump.
Check items
1.
Check if the overheat controller is working properly.
* Check resistance value or continuity. (refer to page 61)
2.
Check the hot water temperature sensor. (refer to page 62)
operating?
* HTL: High Temperature Limit Switch
operating?
Check the resistance between #11 and #12 of
CN
13: short-circuit
1 step: Flushing, Clean Filter
2 step: Try to restart
Check connector
(#11 and #12 of CON 13)
Measuring should be done at least 30 minutes
after error.
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