ER
Alarm
Floating
Code
contact
21
Maintenance
-
recommended
24
Softening
-
30
I/O module fault
-
31
EEPROM defective
YES
32
Undervoltage
YES
33
Adjustment parameter
YES
faulty
34
Communication
-
Main board faulty
35
Digital input voltage
-
faulty
36
Analogue input voltage
-
faulty
37
Input voltage
-
Ball valve missing
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 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
"OK" to acknowledge the "Maintenance recommended" message. Reset the
maintenance counter in the Customer menu.
Note!
The maintenance intervals of the secondary vessels can be extended up
to 5 years, if no abnormalities have been detected during operation.
Note!
Arrange for maintenance tasks must be carried out only by specialist
personnel or Reflex Customer Service.
Causes
Set value exceeded.
•
Set value for soft water capacity exceeded.
•
Time interval for replacement of the softening cartridge
exceeded.
•
I/O module defective.
•
Connection between option card and controller faulty.
•
Option card defective.
•
EEPROM defective.
•
Internal calculation error.
Supply voltage not achieved.
EEPROM parameter memory defective.
•
Connecting cable defective.
•
Main board defective.
Short-circuit of input voltage.
Short-circuit of input voltage.
Short-circuit of input voltage.
Variomat 140 — 25.09.2020 - Rev. A
Perform maintenance and reset the maintenance
counter upon completion.
Replace the softening cartridges.
Inform Reflex Customer Service.
Inform Reflex Customer Service.
Check power supply.
Inform Reflex Customer Service.
Inform Reflex Customer Service.
Check the wiring at the digital inputs (water meter,
for example).
Check the wiring at the analogue inputs
(pressure/level).
Check wiring of the ball valve.
11.1
Maintenance schedule
The maintenance schedule is a summary of maintenance tasks to be carried out
regularly.
Activity
Check for leaks.
•
"PU" pump.
•
Screw connections.
•
Check valve downstream of "PU"
pump.
Clean "ST" dirt trap.
–
11.1.1 "Cleaning the dirt trap",
47.
Clear sludge from the primary tank and the
secondary tanks.
11.1.2 "Cleaning the tanks", 48.
–
Check the make-up switching points.
–
11.2 "Checking switching points",
48.
Check the Automatic mode switching
points.
–
11.2 "Checking switching points",
48.
11.1.1
Cleaning the dirt trap
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 "ST" dirt trap must be cleaned after the expiry of the continuous degassing
time at the latest. An inspection is also required after longer lasting operation.
Maintenance
Remedy
Alarm
reset
"Quit"
"Quit"
"Quit"
Interval
x
x
Annually
Depending on the
x
x
x
operating
conditions
Depending on the
operating
x
x
x
conditions
x
Annually
x
Annually
English — 47
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