Maintenance
24
—
English
Variomat Basic
—
22.07.2020 - Rev.
A
ER
Code
Alarm
Floating
contact
Causes
Remedy
Alarm reset
21
Maintenance
recommended
-
Set value exceeded.
Perform maintenance and reset the
maintenance counter upon completion.
"Quit"
24
Softening
-
•
Set value for soft water capacity
exceeded.
•
Time interval for replacement
of the softening cartridge
exceeded.
Replace the softening cartridges.
"Quit"
30
I/O module fault
-
•
I/O module defective.
•
Connection between option
card and controller faulty.
•
Option card defective.
Inform Reflex Customer Service.
-
31
EEPROM defective
YES
•
EEPROM defective.
•
Internal calculation error.
Inform Reflex Customer Service.
"Quit"
32
Undervoltage
YES
Supply voltage not achieved.
Check power supply.
-
33
Adjustment parameter
faulty
YES
EEPROM parameter memory
defective.
Inform Reflex Customer Service.
-
34
Communication
Main board faulty
-
•
Connecting cable defective.
•
Main board defective.
Inform Reflex Customer Service.
-
35
Digital input voltage
faulty
-
Short-circuit of input voltage.
Check the wiring at the digital inputs (water
meter, for example).
-
36
Analogue input voltage
faulty
-
Short-circuit of input voltage.
Check the wiring at the analogue inputs
(pressure/level).
-
37
Input voltage
Ball valve missing
-
Short-circuit of input voltage.
Check wiring of the ball valve.
-
11
Maintenance
DANGER
Risk of serious injury or death due to electric shock.
If live parts are touched, there is risk of life-threatening injuries.
•
Ensure that the system is voltage-free before installing the
device.
•
Ensure that the system is secured and cannot be reactivated by
other persons.
•
Ensure that installation work for the electric connection of the
device is carried out by an electrician, and in compliance with
electrical engineering regulations.
CAUTION
Risk of burns
Escaping hot medium can cause burns.
•
Maintain a sufficient distance from the escaping medium.
•
Wear suitable personal protective equipment (safety gloves
and goggles).
CAUTION
Risk of injury due to pressurised liquid
If installation, removal or maintenance work is not carried out
correctly, there is a risk of burns and other injuries at the connection
points, if pressurised hot water or hot steam suddenly escapes.
•
Ensure proper installation, removal or maintenance work.
•
Ensure that the system is de-pressurised before performing
installation, removal or maintenance work at the connection
points.
The device is to be maintained annually.
–
The maintenance intervals depend on the operating conditions
and the degassing times.
The annual maintenance is displayed upon expiry of the set operating
time. Use "Quit" to acknowledge the "Maintenance recommended"
message. Reset the maintenance counter in the Customer menu.
Note!
Arrange for maintenance tasks must be carried out only by
specialist personnel or Reflex Customer Service.
11.1
Maintenance schedule
The maintenance schedule is a summary of maintenance tasks to be
carried out regularly.
Activity
Ch
ec
k
W
ai
t
Clea
n
Interval
Check for leaks.
•
"PU" pump.
•
Screw connections.
•
Check valve downstream of "PU"
pump.
x
x
Annually
Clean "ST" dirt trap.
–
see chapter 11.1.1 "Cleaning the
dirt trap" on page 25 .
x
x
x
Depending on the
operating
conditions
Clear sludge from the primary tank
and the secondary tanks.
–
see chapter 11.1.2 "Cleaning the
tanks" on page 25 .
x
x
x
Depending on the
operating
conditions
Check the make-up switching points.
–
see chapter 11.2 "Checking
switching points" on page 25 .
x
Annually
Check the Automatic mode switching
points.
–
see chapter 11.2 "Checking
switching points" on page 25 .
x
Annually
