Controller
Variomat Basic
—
22.07.2020 - Rev.
A
English
—
23
ER
Code
Alarm
Floating
contact
Causes
Remedy
Alarm reset
01
Minimum pressure
YES
•
Set value not reached.
•
Water loss in the system.
•
Pump fault.
•
Controller in Manual mode
•
Check set value in the Customer or
Service menu.
•
Check water level.
•
Check pump.
•
Set the controller to Automatic mode.
"Quit"
02.1
Insufficient water
-
•
Set value not reached.
•
Make-up disabled.
•
Air in the system.
•
Dirt trap clogged.
•
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.
-
03
High water
YES
•
Set value exceeded.
•
Make-up disabled.
•
Water intake through a leak in a
thermal transfer medium of the
user.
•
"VG" and "VF" tanks too small.
•
Check set value in the Customer or
Service menu.
•
Check functioning of the "WV1"
solenoid valve.
•
Drain water from the "VG" tank.
•
Check site heat transfer medium for
leaks.
-
04.1
Pump
YES
Pump disabled.
•
Pump jammed.
•
Pump motor defective.
•
Pump motor contactor tripped.
•
Fuse defective.
•
Rotate the pump with screwdriver.
•
Replace the pump motor.
•
Electrically test the pump motor.
•
Replace the fuse.
"Quit"
05
Pump run time
-
•
Set value exceeded.
•
Severe water loss in the system.
•
Cap valve at the intake side
closed.
•
Air in the pump.
•
Solenoid valve in the overflow
line does not close.
•
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 functioning of the "PV1"
solenoid valve.
-
06
Make-up time
-
•
Set value exceeded.
•
Water loss in the system.
•
Make-up line not connected.
•
Make-up rate insufficient.
•
Make-up hysteresis too low.
•
Check set value in the Customer or
Service menu.
•
Check water level.
•
Connect make-up pipe
"Quit"
07
Make-up cycles
-
Set value exceeded.
•
Check set value in the Customer or
Service menu.
•
Seal any leak in the system.
"Quit"
08
Pressure measurement
YES
Controller receives incorrect signal.
•
Connect the plug.
•
Check functioning of the pressure
sensor.
•
Check the cable for damage.
•
Check the pressure sensor.
"Quit"
09
Level sensor
YES
Controller receives incorrect signal.
•
Check functioning of the load cell.
•
Check the cable for damage.
•
Connect the plug.
"Quit"
10
Maximum pressure
-
•
Set value exceeded.
•
Pressure relief pipe not
functioning.
•
Dirt trap clogged.
•
Check set value in the Customer or
Service menu.
•
Check functioning of the pressure
relief pipe.
•
Clean the dirt trap.
"Quit"
11
Make-up quantity
-
"With water meter" must be
activated in the Customer menu.
•
Set value exceeded.
•
Severe water loss in the system.
•
Check set value in the Customer or
Service menu.
•
Check water loss in the system and
repair, if necessary.
"Quit"
15
Make-up valve
-
Contact water meter measures
without make-up request.
Check the make-up valve for leaks.
"Quit"
16
Power failure
-
No power.
Connect to power supply.
-
19
Stop ˃
4 hours
-
Device is in Stop mode for more than
4 hours.
Set the controller to Automatic mode.
-
20
Max. Make-up volume
-
Set value exceeded.
Reset the "Make-up quantity" meter in the
Customer menu.
"Quit"
