Manual for R-Z15AG7

Manual for R-Z15AG7

Brand: HITACHI

Category: Refrigerator

Document Type: Manual

Language: EN

Available Languages: EN , ES

Uploaded: Nov. 21, 2025, 6:15 p.m.

Warranty Information

Contact Hitachi Service Center or a service agent for any unknown issues or repairs.

OPERATION

Temperature control

This refrigerator controls its temperature automatically. Please set the dial to "MID" for normal use. However, supposing it is required, please adjust a temperature control dial as follows.

1. Freezer

When storing neither frozen food nor ice cream. For normal use. When making ice or freezing food quickly. Or, a surrounding temperature is low and the cold of the freezer compartment is weak. If the refrigerator is still not become cool enough, even the "Temperature Control Dial" of freezer compartment has been adjusted to "MAX" please turn "Temperature Control Dial" of refrigerator compartment to "MAX" also.

2. Refrigerator

When the food is too cold or frozen. For normal use. When cooling food more coldly or quickly Please return the dial to the position of "MID" after the "MAX" has been set. Food may be frozen if the "MAX" is set for a long time. If set the dial to the "MIN" side for a long time, the temperature of the food in freezer compartment may rise.

Caution about frozen food in refrigerator compartment.

When you place the high moisture food and vegetables at the inner part of shelf nearby the cold air vent, they will be frozen. If it is possible, please do not place the high moisture food and vegetables at the inner part of the shelf nearby the cold air vent. When food and vegetables become frozen, you can prevent them from being frozen by wrapping or putting them in the sealed case. If they are still frozen, please adjust the temperature by turning the temperature control dial to "MIN”.

Freezer

1. Ice making (Twisted ice maker model only) Fill water until the "WATER LEVEL" Turn the lever to right side as shown in the picture. Ice drops into the ice cube box. Request Do not bend the twisted ice maker as shown in the picture or else it will be damaged. Do not use the "Ice Cube Box" as an ice maker tray or else it wil be damaged.

Refrigerator

1. Chiller case Meat and fish can be kept fresh before being frozen. Caution If you want to store meat or fish longer, please store them in the freezer compartment. Be careful, it might be frozen if that food has a lot of moisture. When closing the refrigerator door, push the chilled case for close. If you close the door while the chilled case is still pulled out. The chilled case might be broken. 4. "MINUS-ZERO" panel Caution Please do not strike the "MINUS-ZERO" panel. The panel may be deformed. Since the temperature of the "MINUS-ZERO" panel may reach 0 °C or less in the momentary time, please do not let the food touch the panel directly. In case of touching the panel, food may be frozen. When the door is frequently opened and shut in high humidity environment, or when food is excessively packed in the refrigerator compartment, waterdrop may adhere on the panel surface insuch a case, please reduce the opening and shutting frequency of the door and store food keeping gap each other. 2. Egg pocket It can place eggs also turn the rear side to place the small pocket. 3. Crisper Move the lever to the right to keep humidity in crisper, move the lever to the left to keep dryness. For storing vegetables and fruits, please turn the lever to the right. 5. Water dispensor (Water dispensor model only) Open the cover of water tank to fill water.(Maximum 2 litres). As shown in the picture, push the lever by a cup then water will pour into the cup. After cleaning the water tank, do not drink the first time of filled water. Please drain it out. Caution Please do not fill any beverage in the water tank. (juice, Coke or hot water as the water tank will be deformed and cause trouble). Do not use water which is kept more than 1 week in the tank. Please use fresh water.

Troubleshooting and error codes

Problem Solution
The refrigerator does not get cold at all.
  • Is the refrigerator plugged in properly?
  • Check the fuse box for blown fuse or tripped circuit breaker.
The refrigerator does not get cold enough.
  • Is the refrigerator placed in the direct sunlight?
  • Is the refrigerator placed near heat source?
  • Is the temperature control dial set to "MIN"?
  • Has anything hot been placed in the refrigerator?
  • Is too much food stored?
  • Is the cold air vent blocked with food?
  • Is the door being opened and closed too frequently?
  • Is the door being slightly open?
Food in the refrigerator compartment freezes.
  • Is the temperature control dial set to "MAX"?
  • Do you place the high moisture food and vegetables at the inner part of the shelf nearby the cold air vent? They will be frozen if being placed nearby the cold air vent.
Dew appears. Outside: When the outside humidity is high, there may be dew condensation in the gasket section. Please wipe it with dry cloth. If a large box or magazine is placed on the refrigerator in a humid atmosphere, there may be dew condensation. Please wipe it with dry cloth.
Inside: Please wipe it up with dry cloth and please check the details below.
  • Is the door closed firmly?
  • Is the door being opened and closed too frequently or opened for a long time?
  • Is it high humidity, is not it?
The inside is smelling.
  • Do you store odor food without wrapping it?
  • Make sure the refrigerator is installed firmly.
  • Is the refrigerator touching the wall?
Sound is noisy. This is not out of order.
The surface of the refrigerator is hot. The refrigerator contains the dew prevention and heat radiation pipes. Especially the back may be heated when starting up or if the door is frequently opened and closed.
If a door is shut, other doors may be opened. The air duct of two compartment is connected. When close one of the door, another door may be opened by the wind pressure. This is a normal phenomenon.
Does it have any abnormal sound? The sounds like water flowing and boiling water are sound of the cooling liquid (refrigerant). A creaking sound comes from the storage compartment. It is the sound caused by friction of the parts due to temperature change.
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