ENGLISH
7
2) Wash the air filter carefully with cold or warm
water containing the proper amount of neutral
cleaner. Rinse and dry the air filter thoroughly.
3) To refit the air filter, put the two tabs into the
bottom slots in the front panel, and tightly attach
the air filter over the entire slots by using the
magnet provided.
Fig. 11
Air Filter
Tab
Magnet
Front Panel
Slot
IV. BEFORE CALLING A SERVICE AGENT
IMPORTANT
1. If the temperature display window on the
operation panel indicates an error code
or something seems wrong with the unit,
check for possible causes according to the
following instructions. If the problem still
exists, immediately contact an authorized
Hoshizaki service company.
2. When contacting a service company, let
them know the model name, serial number,
date of installation (see warranty card) and
state of the trouble.
3. Do not attempt to repair the unit yourself.
1. TROUBLES WITH ERROR CODE
INDICATION
When the temperature display window on the
operation panel flashes alternately between an error
code and the cabinet temperature, check the error
code and follow the instructions below.
1) If one of the following error codes is displayed,
immediately contact an authorized Hoshizaki
service company.
Code
Problem
E3
Defrost time too long.
E8, E9
Thermistor defective.
EA, ED
Controller board defective.
2) If one of the following error codes is displayed,
check and correct the condition of the unit
according to the following instructions:
Code
Problem and Remedy
E1
Cabinet temperature too high.
(1) Door(s) left open. Close.
(2) Warm or hot foods inside. Take them
out.
(3) Ambient temperature too high. Avoid
installation near high heat producing
equipments or exposure to direct
sunlight.
E2
Cabinet temperature too low.
(1) Ambient temperature too low. Use in
the range from 5°C to 43°C.
(2) Frozen foods being defrosted. Error
code will disappear when defrosting is
completed.
E4, E7
Condenser clogged or ambient temperature
too high.
(1) Air filter clogged. Clean.
(2) Ambient temperature too high. Avoid
installation near high heat producing
equipments or exposure to direct
sunlight.
E1, E2: Automatically resets when a proper cabinet
temperature is resumed.
E4, E7: After the above checks and corrections,
turn the power supply off and back on
again.
If the error code still appears in the temperature
display window even after the above checks and
corrections, immediately contact an authorized
Hoshizaki service company.
2. TROUBLES WITHOUT ERROR CODE
INDICATION
1) Unit fails to operate:
(1) Unplugged.
(2) Power failure.
(3) Main power supply disconnected.
2) Poor cooling performance:
(1) Ambient temperature too high (above 43°C).
(2) Door(s) opened too often.
(3) Cabinet temperature setting too high.
(4) Too packed with foods or air inlet/outlet
blocked.
(5) Air filter not clean.
(6) Door(s) left open.
(7) Warm or hot foods inside.
(8) U n i t i n d e f r o s t p r o c e s s . T h e c a b i n e t
temperature may rise temporarily during
defrost cycle but will not affect the foods inside.
