Actions with operating disturbances
11
VVM 240
Low Fluid Temp.
This information is shown when the low pressure
switch in FIGHTER 2010 has tripped. This may be
because the evaporator is covered in ice or reduced
air flow through the evaporator. The information is
cleared when the pressure switch has been reset and
FIGHTER 2010 has been restarted. VVM 240 switch-
es to educed electric boiler mode*.
Sensor Alarm
This information is shown when a temperature sensor
in FIGHTER 2010 stops working. This may be due to
a broken cable or incorrect installation. The informa-
tion is cleared when the cause of the fault has been
rectified and FIGHTER 2010 restarted. VVM 240
switches to reduced electric boiler mode*.
Alarm/alarm outputs
L O W F L U I D T E M P .
1 . 0
High Pressure
This information is shown when the high pressure
switch in FIGHTER 2010 has tripped. This may be
due to a too low charge flow or air in the system. The
information is cleared when the pressure switch has
been reset and FIGHTER 2010 has been restarted.
VVM 240 switches to educed electric boiler mode*.
H I G H P R E S S U R E
1 . 0
Motor Security
This information is shown when the motor cut-out on
FIGHTER 2010 has tripped. This may be due to a
phase failure because of a tripped fuse or incorrect
motor protection setting. The information is cleared
when the fault has been rectified and FIGHTER 2010
has been restarted. VVM 240 switches to reduced
electric boiler mode*.
M O T O R S E C U R I T Y
1 . 0
S E N S O R A L A R M
1 . 0
F2010 Communic.
Fault text shown when contact between VVM 240 and
FIGHTER 2010 has been lost. This may be due to a
broken cable or that the voltage to FIGHTER 2010 is
not switched on. The information is cleared when both
VVM 240 and FIGHTER 2010 are restarted.
NOTE! VVM 240 should be switched on within 5 min-
utes of FIGHTER 2010 being restarted and communi-
cation between the products is restored. VVM 240
switches to reduced electric boiler mode*.
F 2 0 1 0 C O M M U N I C .
1 . 0
Temp. Limit
Shown when the temperature limiter has tripped. The
cause of the fault here may be the start of VVM 240
without filling the boiler section with water. The tem-
perature limiter may have tripped when VVM 240 was
transported. To reset see the section, Electrical con-
nection — Resetting the temperature limiter. The
information is cleared once the fault has been rectified
and VVM 240 is restarted.
T E M P . L I M I T
1 . 0
In the event of an alarm the relay contact makes
* Signifies that the compressor is blocked and the flow temperature is forced to the set min. temperature (menu 2.4).
Press the operating mode button twice to switch to normal electric boiler mode.
Other information can also be shown on the display
besides the standard information. This applies with
malfunctions or for calls to take action. This type of
information is only shown in menu 1.0 (The display
always automatically returns to menu 1.0 approxi-
mately 30 minutes after the last button was pressed).
This information alternates with menu 1.0’s standard
information. At the same time the display’s back-
ground lighting flashes.
The following information can be shown.
Alarm output
Supply
Max. 2A/250VAC
