Trouble Shooting - Edesa Hydra Serie Manual De Instrucciones

Overview

3. Trouble shooting.

If there is a problem, lack of heating or release of fumes from the water outlet, cut the power supply and
notify your installer.
Repairs have to be done exclusively by a qualified installer.
3.1. Error codes.
The alarm can be paused or reset by pressing OK.
Displayed Code
Water temperature
Error 03 probe defect or out
of measuring range
No water in the tank
Error 07 or ACI connection
Water temperature
Error 09
too hot (T>80°C)
Info 12 temperature too
cold(T<5°C)
Error 15 Date / Hour not set HP stooped if PROG Set the date and hour.
Electrical supply in
Error 19
Air intake probe
Error 21 defect or out of
measuring range
Evaporator top
probe defect or out
Error 22
of measurement
range (-20 to 110)
Pressure switch open
Error 25 or compressor
thermal safety
Installation Operation
Reason Result
Reading of water
temperature
impossible : no
heating up.
No heating up
open
Risk to trigger the
mechanical security
thermostat : no
heating up
Cold water HP stopped.
Heating with electric
backup.
No heating up
Off peak
HP stopped.
Heating with electric
backup.
HP stopped.
Heating with electric
backup.
HP stopped.
Heating with electric
backup.
Maintenance
Service action
Check the connection (A1) of the probe
(immersion sleeve).
If required replace the probe.
Fill the tank with water.
Check the connection (AC) of the cables, the
water conductivity.
Check the real temperature at a tap (T>80°C).
Check the connection (A1) and the position of
the temperature probe (immersion sleeve).
Check that the electrical backup is not
working permanently. Reset the mechanical
security device if necessary.
Resetting automatically at T>10°C. Control the
situation of the installation room (frost-free).
Check the electrical supply of the product.
Electrical supply must be permanent.
Check the connections (A2) and the position
of the air intake probe. If necessary replace
the probe cable harness.
Check the connections (A2) and the correct
contact of the probe to the tube.
Check the operation of the ventilator and that
it turns easily without any stop.
Check the compressor connections (R1),
pressure switch, starting capacitor (10mF) and
the hot gas valve (T2). Control the resistance
of compressor windings.
Warranty
EN
73