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Instruction manual BFC 81
E01 (blocking error)
The temperature
protection at the top of
the tank has been
activated.
The temperature of the
water at the top of the
tank is >88
o
C.
None. This is a temporary message that may appear from time to
time, but will disappear automatically.
E03 (lock-out error)
Error in temperature
sensor T
1
at the top of
the tank.
The two temperature
sensors in the tank
detect a difference of
> 10°C over a period of
at least 60 seconds.
1. Check sensor position and wiring.
2. Reset the controller if necessary. Replace the sensor if the error
persists.
To replace the necessary parts, you must contact your installation
engineer
E04 (lock-out error)
Defect in the dummy
sensor
(2)
.
The two temperature
sensors detect a
difference of >
10
o
C
over a period of at least
60 seconds.
1. Check the wiring of the dummy 1 and dummy 2.
2. Reset the controller if necessary. Replace the dummy sensor if
the error persists.
To replace the necessary parts, you must contact your installation
engineer
(1) Temperature sensor T
1
is a 2-in-1 sensor; T
1
contains 2 NTCs for maximum thermostat and safety thermostat protection.
(2) The dummy flue gas sensor consists of dummy flue gas sensor 1 and dummy flue gas sensor 2.
Code + description Cause Measure Remark
81


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Others manual(s) of A.O. Smith BFC100

A.O. Smith BFC100 Usermanual and installation guide - German - 100 pages

A.O. Smith BFC100 User Manual - Dutch - 116 pages

A.O. Smith BFC100 Manual - Dutch - 2 pages


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