
Controller
Servimat M/L — 28.01.2021
English
—
21
9.4
Messages
The messages are impermissible deviations from the normal state. They can be
output either via the RS-485 interface or via two floating message contacts.
The controller displays the messages with a help text.
Message causes can be eliminated by the operator or a specialist workshop. If
this is not possible, contact the Reflex Customer Service.
Note!
When the cause for the message is eliminated, you must acknowledge
the fault with "OK" at the controller's operator panel.
Note!
Floating contacts, setting in the Customer menu, see chapter 9.3.1
"Customer menu" on page 18 .
To reset a fault message, proceed as follows:
1.
Touch the display.
–
The current fault messages are displayed.
2.
Touch a fault message.
–
The system displays the possible causes of the fault.
3.
When the fault is eliminated, confirm the fault with "OK".
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
Insufficient water
-
•
Set value not reached.
•
Make-up disabled.
•
Air in the system.
•
Solenoid valve does not open.
•
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.
•
Manual over supply.
•
Water intake through a leak in a
thermal transfer medium of the
user.
•
“VG”
primary tank too small.
•
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.
-
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.
•
Control ball valve RKH1 in the
pressure relief pipe 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 the control ball valve RKH1 for
correct function.
-
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"