Jacob Delafon DTV E684-1CP Notice Technique page 88

Troubleshooting (cont.)
Troubleshooting table
Symptoms
4. Maximum blend temperature
too hot or too cold.
5. Continuous flow.
6. Massage mode shuts down
but water continues to run from
showerhead(s).
7. Only cold water flows from the
outlets.
8. Fluctuating or reduced
flow rate. Valve is
functioning properly.
9. Blend temperature drift or
temperature cycling.
88
Probable Cause
A. Incorrect maximum temperature
setting.
B. If the above recommended action
does not correct the symptom, the
interface or valve requires servicing.
A. System will not switch off.
A. Unequal flow rates between valve
outlets.
B. Fluctuation of inlet pressure.
A. Hot water supply is either not
turned on or not connected to the
valve inlet.
B. Hot water inlet is blocked.
C. If none of the recommended
actions for the above issues correct
the symptom, the valve requires
servicing.
A. Inlet/outlet fittings may be blocked.
B. Water outlet pressure is low.
C. Fluctuating flow.
D. If none of the recommended
actions for the above issues correct
the symptom, the valve requires
servicing.
A. Fluctuating water temperature.
B. Hot water supply temperature
fluctuation.
C. If none of the recommended
actions for the above issues correct
the symptom, the valve requires
servicing.
English
Recommended Action
A. Refer to the "Set the Maximum
Temperature" s ection in the Digital
Interface Homeowners Guide.
B. Contact your Jacob Delafon
authorized service representative.
A. Turn off the water and power
supply and contact your Jacob
Delafon authorized service
representative.
A. Verify the installation has one
bodyspray per valve outlet and uses
bodysprays with the same flow rate. If
needed, contact the installer to revise
the installation.
B. Install pressure regulators in the
supply lines.
A. Check if the hot water supply is
turned on and connected to the valve
inlet.
B. Check if the hot water inlet screen
for blockage. Clean or replace the
inlet screen. Refer to the Valve
Homeowners Guide.
C. Contact your Jacob Delafon
authorized service representative.
A. Check the inlets and outlets for
blockage or debris. Clean the inlet
screens. Refer to the "Clean the Inlet
Screens" s ection.
B. Check that the flow rate is at or
above the minimum rate required.
Refer to "Specifications" s ection.
C. Verify that the dynamic inlet
pressures are within specifications.
Refer to "Specifications" s ection.
D. Contact your Jacob Delafon
authorized service representative.
A. Check the inlet temperature
differentials and verify they
are sufficient. Refer to
Specifications" s ection.
B. Check and make adjustments as
needed.
C. Contact your Jacob Delafon
authorized service representative.