welldana 34-180505, Manual

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11. Troubleshooting.
Fault/Error Display Cause. Action.
Water temperature in, senso
fault/error.
PP 01 Sensor interrupted or short circuited
Test line, sensor and socket.
May have to be replaced.
Water temperature out,
sensor fault/error.
PP 02 Sensor interrupted or short circuited
Test line, sensor and socket.
May have to be replaced.
Coil 1 sensor fault/error. PP 03 Sensor interrupted or short circuited
Test line, sensor and socket.
May have to be replaced.
Coil 2 sensor fault/error. PP 04 Sensor interrupted or short circuited
Test line, sensor and socket.
May have to be replaced.
Ambient temperature sensor PP 05 Sensor interrupted or short circuited
Test line, sensor and socket.
May have to be replaced.
Too high difference in
temperature in/out.
PP 06 Water flow too low.
Check valves, filter pump, filter
and by-pass.
Heating up. PP 07 Water flow too low.
Check valves, filter pump, filter
and by-pass.
First frostproofing run PP 08 Low out temperature. Empty system of water.
Second frostproofing run PP 09 Low out temperature. Empty system of water.
Function error in system 1. EE 01 Function error in print card. Call technician
Function error in system 2. EE 02 Input voltage too low. Check main cable / electrician.
Flow guard error. EE 03 Too small or too high flow.
Check pool pump, piping,
by-pass and ball cocks.
Check technical spec.
Flow or compressor error EE 04
The water flow is too high.
Air trapped inside the exchanger.
Adjust the flow down or
Call a technician.
Mount an auto. airing valve.
Temperature Fluctuations. EE 05 Water flow varying.
Check pool pump and piping.
Check valves, filter and by-pass.
Defrosting Logo Cold coil / element. None. Normal function.
Communication error. EE 08
Communication error between
control panel and control.
Check cable connection.
Call technician.
12. Accessories.
Your heat pump is available with an optional house and cover plate for the control panel - allowing for the
control panel to be moved to a different locality is so required.
A 5m extension line with socket for this purpose is enclosed.