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Display message
Reason
The general blocking circuit is activated during operation = contact 7-8
Display message
Reason
T3 external tank sensor is not connected to the terminals
Display message
Reason
Setpoint return (tank) temperature DHW (S3) is higher than
Setpoint heating = flow temperature (S1)
M
ESSAGES
The following graphs describe the messages at the water heater display. Depending on the selected and activated options for the water heater,
it is possible that some messages will show up at the display of the water heater. For example a maintenance message after a certain
programmed date has been reached. The water heater will operate independently of these messages.
M
A
AINTENANCE
TTENTION
The display shows alternating the base screen and this message, while the backlight is blinking.
The water heater is operating, but will count the exceeding hours.
A parameter must be changed, after service, to remove this message.
Display message
Reason
Maintenance option of total amount of ignition cycles has been reached.
Display message
Reason
Maintenance option of the date has been reached.
Display message
Reason
Maintenance option of total amount of burning hours has been reached.
Display message
Reason
One of the abovementioned maintenance options has been reached.
G
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B
W A
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M
ESSAGE
N e
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M a
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M a
D a
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M a
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T
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78
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