Pentair Raychem HWAT-T55 Manuel D'utilisation page 12

trouble shooting
display
E01 - ERROR 1
E02 - ERROR 2
E03 - ERROR 3
E04 -ERROR 4
1) Error eliminating by 6 seconds Press P or interrupt power supply
and connect the thermostat again.If the problem still exists, replace
the unit.
12
Thermal Building SoluTionS
reasons
Sensor defect
Pipe temperature
exceeds 66°C
Measuring
temperature 5 K
lower than the
maintain temperature
(after reaching
one time)
n/a
Device is defect
remedy
Sensor contacts and sensor
resistances need to be
checked;
1)
Hot water storage
temperature needs to be
checked and changed to
value below 66°C;
Hot water storage
temperature needs to be
checked and changed to
value to min. maintain
temperature
Replace unit