— English Servitec 35-95 with
— 18.12.2019 - Rev. A
20 Maximum make-up quantity Set value exceeded. Reset the "Make-up quantity" meter in the Customer
menu.
"OK"
21 Maintenance recommended Set value exceeded. Carry out maintenance. "OK"
24 Water treatment • Water capacity set value exceeded.
• Time interval for replacement of the
cartridge exceeded.
• Replace the softening cartridge. –
25 Datalogger • No SD card inserted
• The SD card is write-protected
• The SD card has not been recognised
• Insert a FAT16 or FAT32-formatted SD card.
• Disable write-protection.
–
26 Conductivity measurement Measured value outside the measuring range. • Check set value in the Customer or Service menu.
• Check the sensor and cabling.
–
27 Conductivity exceeded • Set value exceeded.
• Cartridge capacity expired.
• Check set value in the Customer or Service menu.
• Replace the cartridge.
"OK"
29 Communication Master-slave communication or master
controller faulty
Check connection. –
30 I/O module fault • I/O module defective.
• Connection between option card and
controller faulty.
• Option card defective.
• Replace the I/O module.
• Check the connection between option card and
controller.
• Replace the option card.
–
31 EEPROM defective • EEPROM defective.
• Internal calculation error.
Inform Reflex Customer Service. –
32 Undervoltage Supply voltage not achieved. Check power supply. –
33 Adjustment parameter EEPROM parameter memory defective. Inform Reflex Customer Service. –
34 Main board communication
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/conductivity).
–
37 Input voltage MKH1 Short-circuit of input voltage. Check the wiring at the 2-way motorized ball valve. –
39 Pressure jumper Main board jumper does not match
configuration.
Check jumper position. –
40 Level jumper Main board jumper does not match
configuration.
Check jumper position. –
41 Replace battery Battery discharged. Replace backup battery in operating unit. –
42 Bus module Bus module was not detected. • Check the set values.
• Check the bus module.
–
10 Maintenance
Risk of burns on hot surfaces
Hot surfaces in heating systems can cause burns to the skin.
• Wear protective gloves.
• Please place appropriate warning signs in the vicinity of the device.
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 ’Servitec’ must be serviced annually or after 16,000 degassing intervals,
whichever comes first.
Note!
Shorter maintenance intervals are required if the default setting for
interval degassing of 8 degassing cycles and 12 h idling time exceeds the
following times for continuous degassing.
Continuous degassing time of about 14 days
Continuous degassing time of 7 days + 1 year interval degassing
The maintenance intervals depend on the operating conditions and the
degassing times.
Do not exceed the maintenance intervals.
Perform servicing, if the intervals have been exceeded.
Note!
Maintenance/service work must be carried out and acknowledged by
specialist personnel or the Reflex Customer Service.
Note!
The annual maintenance is displayed upon
expiry of the set operating
• Press "OK" to acknowledge the "Service recommended"
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