Robertshaw Smart Sense Series Installation Manual page 56

Symptom
Reversing
valve remains
energized after
heating or cooling
has stopped.
Wrench Symbol
flashes on LCD.
E.Heat or
E.Heating is
shown on LCD
without manually
selecting it.
The word OFF
is flashing in
the LCD. MODE
button has no
effect.
Problem
This is not a fault.
This is not a fault.
Commissioning mode enabled.
This is not a fault.
This is not a fault.
Solution
The reversing valve remains
energized after the heating/
cooling has stopped to limit
decompression hiss. Reversing
valve will de-energize within two
hours of the last call.
Exit commissioning mode before
hand over to user. See page 20.
LBP reached, outside air too cold
for reliable HP operation. Set
LBP with the LB = XX value in the
Advanced Installer Menu. See
page 35.
TT = OF in Advanced Installer
Menu.
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