gledhill Torrent GreenHeat TGH140-OV Design, Installation & Servicing Instructions page 44

SERVICING AND MAINTENANCE
S6 sensor (top)
calling
On peak supply
present
S5 sensor
(bottom) calling
If flashing on its own, the system
is running normal
If both flashing indicates a fault but unit is still working
FAULT FINDING
Off peak supply DHW pump on
present
On peak heater
on
Off peak heater
on
If flashing on its own system has
locked out and needs a reset
Page 44
If a sensor error is detected one of the following
three error codes flash alternately with the
sensor number instead of the temperature
E1 Open circuit
E2 Short circuit
E3 Temperature greater than 99°C
A code of FF indicates the fault location is
empty.