Yamato Scientific WG201 Water Purifiers - Manual (Page 29)

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Safety Device and Error Codes
Troubleshooting
Troubleshooting when “LEAKAGE “ to indicate water leak is lit.
(1) Turn the earth leakage circuit breaker in the right side of the unit OFF.
(2) After the defect is repaired, to re-start the operation, wipe the water at the bottom areas of the device
and dry it, and also remove the water leak detecting electrode and dry it.
(3) Set the electrode in the original position.
(4) Close the door.
(5) Turn the breaker ON, and push the POWER switch. Normal operation starts as the defect is repaired.
Troubleshooting when “INTERRUPTION “ to indicate interruption or decrease of water
pressure is lit.
(1) Make sure if the water pressure is normal and the tap is open (if the water comes to the unit)
(2) When the pressure of the raw water comes back, the unit returns automatically.
Troubleshooting when “OVERHEATING“ to indicate overheating is lit.
(1) Make sure if the cooling water is flowing.
(2) In case the cooling water is flowing, the heater is overheating or snapped.
(3) In that case, contact the seller or Yamato Scientific’s Technical Service Department.