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ER Code
Alarm
01
Minimum pressure
02
Insufficient water
03
High water
04.1
Pump
05
Pump run time
06
Make-up time
07
Make-up cycles
08
Pressure measurement
09
Level sensor
10
Maximum pressure
11
Make-up quantity
14
Discharge period
15
Make-up valve
16
Power failure
18
Parameter
19
Stop ˃ 4 hours
20
Max. Make-up volume
21
Maintenance recommended
Floating
Causes
contact
YES
•
Set value not reached.
•
Water loss in the system.
•
Pump fault.
•
Controller in Manual mode
-
•
Set value not reached.
•
Make-up disabled.
•
Air in the system.
•
Solenoid valve does not open.
YES
•
Set value exceeded.
•
Make-up disabled.
•
Manual over supply.
•
Water intake through a leak in a
thermal transfer medium of the
user.
•
"VG" primary tank too small.
YES
Pump disabled.
•
Pump jammed.
•
Pump motor defective.
•
Pump motor contactor tripped.
•
Fuse defective.
-
•
Set value exceeded.
•
Severe water loss in the system.
•
Cap valve at the intake side
closed.
•
Air in the pump.
•
Control ball valve RKH1 in the
pressure relief pipe does not
close.
-
•
Set value exceeded.
•
Water loss in the system.
•
Make-up line not connected.
•
Make-up rate insufficient.
•
Make-up hysteresis too low.
-
•
Set value exceeded.
YES
•
Controller receives incorrect
signal.
YES
•
Controller receives incorrect
signal.
-
•
Set value exceeded.
•
Pressure relief pipe not
functioning.
•
Dirt trap clogged.
-
"With water meter" must be activated in
the Customer menu.
•
Set value exceeded.
•
Severe water loss in the system.
-
•
Set value exceeded.
•
Degassing pipe closed.
•
Dirt trap clogged.
-
•
Contact water meter measures
without make-up requirement.
-
•
No power.
-
•
Parameter settings incorrect.
-
•
Device is in Stop mode for more
than 4 hours.
-
•
Set value exceeded.
-
•
Set value exceeded.
Servimat M/L — 25.07.2024
Remedy
•
Check set value in the Customer or Service
menu.
•
Check water level.
•
Check pump.
•
Set the controller to Automatic mode.
•
Check set value in the Customer or Service
menu.
•
Clean the dirt trap.
•
Check functioning of the "PV1" solenoid
valve.
•
If necessary, manually add water.
•
Check set value in the Customer or Service
menu.
•
Check functioning of the "WV" solenoid
valve.
•
Drain water from the "VG" tank.
•
Check site heat transfer medium for leaks.
•
Rotate the pump with screwdriver.
•
Replace the pump motor.
•
Electrically test the pump motor.
•
Replace the fuse.
•
Check set value in the Customer or Service
menu.
•
Check the water loss and correct, if
necessary.
•
Open the cap valve.
•
Vent the pump.
•
Check the control ball valve RKH1 for correct
function.
•
Check set value in the Customer or Service
menu.
•
Check water level.
•
Connect make-up pipe
•
Check set value in the Customer or Service
menu.
•
Seal any leak in the system.
•
Connect the plug.
•
Check functioning of the pressure sensor.
•
Check the cable for damage.
•
Check the pressure sensor.
•
Check functioning of the load cell.
•
Check the cable for damage.
•
Connect the plug.
•
Check set value in the Customer or Service
menu.
•
Check functioning of the pressure relief pipe.
•
Clean the dirt trap.
•
Check set value in the Customer or Service
menu.
•
Check water loss in the system and repair, if
necessary.
•
Check degassing line.
•
Check dirt trap.
•
Check the make-up valve for leaks.
•
Connect to power supply.
•
Check settings, if necessary make basic
settings in the service menu.
•
Set the controller to Automatic mode.
•
Reset the "Make-up quantity" meter in the
Customer menu.
•
Perform maintenance and reset the
maintenance counter upon completion.
Controller
Alarm
reset
"Quit"
-
-
"Quit"
-
"Quit"
"Quit"
"Quit"
"Quit"
"Quit"
"Quit"
"Quit"
-
-
"Quit"
"Quit"
English — 47
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