Polytropic master l - Page 15

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Controller state table
Screen
Explanation
Check
Solution (if no reset)
OFF
Stand-by
-
-
PP1
Probe error (Water in)
Check probe connection.
(Contact your seller)
PP3
Probe error (evap.)
PP8
Probe error (comp. in)
PP5
Probe error (ambiance)
PP6
Too much diference between
water in and water out.
Check by-pass setting.
PP7
Defrost protection.
Ambient temperature was lower than
the minimum working range
temperature.
- Turn the machine OFF
few minutes.
- Turn the machine ON.
PP9
High pressure protection
- Check by-pass setting.
- Check water flow switch setting.
PP9
Low pressure protection
- Check if there is gas inside the
machine (manometer between 0,5
and 1 when machine is stopped).
- Ambient temperature was lower than
the minimum working range
temperature.
EE3
Flow LED not
lighting
No water flow
- Check if filtration pump is working.
- Check by-pass setting.
- Check water flow switch settting.
(Contact your seller)
EE4
Phase error
(400V triphase machine)
Invert 2 phases from the power
supply.
EE8
Communication error.
Check electrical connection between
controller and electronic card inside
the machine.