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Instruction manual SGE 87
S15 (blocking error)
Short circuit from
dummy 2
Short circuit in sensor
circuit
Replace the dummy sensor
(2)
To replace the necessary parts, you must contact your installation
engineer
S17 (blocking error)
Short circuit from
temperature sensor S
2
at the bottom of the
tank.
Short circuit in sensor
circuit
Replace the cable and/or sensor. To replace the necessary parts, you must contact your installation
engineer
S18 (blocking error)
Short circuit from
temperature sensor S
1
in the collector.
Short circuit in sensor
circuit
Replace the cable and/or sensor. To replace the necessary parts, you must contact your installation
engineer
F01 (blocking error)
Defect in power supply
circuit
Live and neutral
connected wrong way
around.
Be sure to connect the live and neutral correctly (3.11 "
Electrically
connecting the water heater"); the water heater is phase-sensitive
See the electrical diagram (17 "
Appendices").
Condensation on the
flame probe
1. Disconnect the lead at the flame probe
2. Ignite the water heater three times, with an interrupted
ionisation circuit
3. Reconnect the ionisation lead to the flame probe
4. Ignite the water heater again
5. The repeated ignition attempts will have caused the
condensation to evaporate
If errors persist, contact your installation engineer
Floating neutral Install an isolating transformer (3.11.4 "
Isolating transformer") Contact your installation engineer to have an isolating transformer
installed
F02 (lock out error)
Fan fails to run at
correct speed.
Defective motor and/or
rotor.
1. Check the motor and rotor
2. Replace the fan if the motor or rotor is defective.
3. Reset controller
See the electrical diagram (17 "Appendices").
To have the wiring replaced and a new fan fitted, you must contact
your installation engineer
Code + description Cause Measure Remark