Reflex Hydroflow Mode D'emploi Original page 41

8.2 Faults
Error
Noisy pump
Insufficient tapping volume
Tapping temperature too low
No heating of potable water
9 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 supply cable to the device is disconnected and secured
against being switched back on.
•
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 locally
applicable 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 must be maintained annually.
–
The maintenance intervals depend on the local operational conditions.
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!
Maintenance tasks must only be carried out by specialist personnel.
Possible cause
Air in the system
Insufficient water pressure
Calcified heat exchanger
Incorrect thermostat setting
Excessive pressure loss in the pipework on the heating side
Air in the system
HW flow switch not connected correctly or defective
Stainless steel coil sensor calcified or defective
Pump defective
Reflex Hydroflow Mains Water Station — 20.12.2023
Remedy
Vent
Check pressure and increase if necessary
Decalcify/Replace
Check settings
Check pipework and change if necessary
Vent
Check and replace if necessary
Check and replace if necessary
Check and replace if necessary
Maintenance
English — 41