23
Troubleshooting
EN
PrimoTherm® Floor
9
Troubleshooting
Any malfunctions that cannot be removed by means of the measures
described in this chapter may only be repaired by the manufacturer.
Problem
Possible reason
Repair
Noise in the system
Air in the system
Vent the system
Circulation pump not
properly adjusted
Verify correct adjust-
ment of the circulation
pump.
Insufficient heat supply
through the surface
heating system
Pumping capacity is
insufficient
Correct the pump
capacity
Thermostatic mixing
valve set to a value that
is too low
Verify correct adjust-
ment of the thermostatic
mixing valve
Ball valve is closed
Check (open) the ball
valve
Temperature of primary
circuit too low
Correct the boiler set-
tings
Excessive heat supply
through the surface
heating system
Thermostatic mixing
valve set to a value that
is too high
Verify correct adjust-
ment of the thermostatic
mixing valve
Thermostatic mixing
valve defective
Replace the defective
component
Noise in the circulation
pump
Air in the circulation
pump
Manually vent the circu-
lation pump
Incorrect system pres-
sure
Verify correct the sys-
tem pressure.
