Important news about product security

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News to customer favorite with "yunoka electricity water heater"


Important news about product

1.When safety device (short circuit block container, kanoboriboshiki) works
  ・When safety device (short circuit block container, kanoboriboshiki) works, and hot water is not boiled,
   As for electric shock and fire occurring when we perform reset or reboot without dissolving movement cause
   Without as is thought, carrying out an easy activity; our call center or house ino area
   Please connect with maintenance trust shop of this.

2.About apparatus using long term
  ・About apparatus using for a long term (around ten years) function parts and consumption parts
   As malfunction by deterioration may occur of this, we receive check (payment) and have
   We pray for masuyoo.

3.About request for use of designated repair parts
  ・To have you use our designated parts when exchange of parts such as expendable supplies is necessary
   Ask for your kind cooperation.


When neither hot water nor water flows, we display error: About E25


To all of you favorite with yunoka electricity water heater

Thank you very much for usually using our product habitually.

Well, we prepared from 1996 (Heisei 8) through 2000 (Heisei 12); "yunoka
Electric water heater SM830DB-C177, SM837DB-C178, SM846DB-C179, SM855DB-C180,
SM830DB-F01, SM837DB-F02, SM846DB-F03, SM830RB-F04, SM837RB-F05,
In SM846RB-F06, SM846D-G01, we attach socket of wiring joint of heater relay
Depending on the situation and progress condition of aged deterioration, we extremely rarely progress for damage by a fire from socket connection part
It turned out that it was possible.


To all of the yunoka IH cooking heater habitual use

Thank you very much for usually using our product habitually.

Well, run for from 2000 (Heisei 12) to 2001 (Heisei 13); and Hitachi home tech
(existing Hitachi Appliances, Inc.) produces, and Kyushu Transformer (existing KYUHEN) is sold
In yunoka IH cooking heater "HTW4DA-Y, HTW4SA-Y" which we did, it is noise
Case that parts (film condenser) put on filter board break down and emit smoke
There was report that there was from Hitachi Appliances, Inc. of manufacturer.