Download Worcester R40HE Specifications

Rectifying faults
Excessive fluctuations in room temperature (integrated text display)
Check
1.
2.
Action
yes:
no:
↓2.
Room override has insufficient
priority
yes:
B Increase room override priority (not text display).
↓2.
↓3.
no:
3.
B Switch on room override.
TR2 without room override:
B Periodic effect of external heat on
room, e.g. from sunshine, lighting,
TV, separate stove, fire, etc.
↓3.
B Select better installation location.
-orB Fit external room thermostat.
Bad choice of location for programmer, e.g. outside wall, near window,
in draught, on hollow wall, etc.
Room temperature too high in Economy mode
Check
Building retains heat well
Action
yes:
B Set economy temperature lower
or
B Set to Frost Protection instead of Economy
or
B Set start time for Frost protection/Economy
earlier.
Incorrect or no modulation
Check
Action
Programmer incorrectly wired
B Power OFF the appliance.
B Check wiring against wiring diagram and correct
as necessary.
B Turn ON the appliance.
No programmer display or programmer display does not react
Check
Action
Very brief power loss
B Power OFF the appliance.
Wait approx. 1 minute, then:
B Turn ON the appliance.
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