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www.atmos.cz
52-GB
Operation and Maintenance Manual - GB
4
ALARM
SENSOR TK
Failure of the boiler tempera-
ture sensor TK in the boiler or
in the middle part of buffer tank
– the sensor is short-circuited
(damaged) or disconnected
Check the connection of the
sensor in the burner
Check the cable and sensor
for damage
Repair or replace
5
ALARM
SENSOR TSV
Failure of the waste gas or so-
lar sensor TSV – the sensor is
short-circuited (damaged) or
disconnected
Check the connection of the
sensor in the burner
Check the cable and sensor
for damage
Repair or replace
6
ALARM
VENTILATOR
Failure of the fan or fan speed
sensor
Check the cable of the speed
sensor and its connectors
Check whether the fan does
not size, it must be possible to
turn it easily by hand
Check the fuse on the electron-
ic board for the fan (1.0 A)
Repair or replace
7
ALARM
VENT 2
the same as
ALARM
VENTILATOR
Failure of the exhaust blower
of the boiler or defective ca-
pacitor under the hood of the
boiler
the same as
ALARM
VENTILATOR
Change the starting capacitor
for the exhaust fan
Change the exhaust fan of the
boiler.
8
ALARM RELE
Error at the output for the ex-
ternal conveyor (neither out-
put is functional)
The external conveyor does
not feed fuel to the burner
Check and if necessary re-
place the fuse for the convey-
or (0.8 A)
Check the wiring between
electronic board and socket
Broken gearbox of the con-
veyor or output for conveyor
control
If you are not using the re-
serve, reconnect the convey-
or terminals to the reserve
and set the parameter S6 =
7. If you use the reserve for
other applications, replace
the electronic control unit.