7
Purge the water circuit to prevent possible freeze-up.
1) Shut down the unit according to “5. SHUT DOWN”.
2) Clean the exterior. Follow the instructions in “7. [b] CLEANING
WATER CIRCUIT (MONTHLY)”.
3) Before restarting the unit, follow the instructions in “3. CHECKS
BEFORE OPERATION (DAILY)”.
10. BEFORE CALLING A SERVICE AGENT
If something seems wrong with the unit, check for possible causes
according to the following instructions.
If the problem still exists, turn off the power switch (earth leakage
circuit breaker), unplug the unit, and contact an authorized Hoshizaki
service company.
Only qualified personnel may repair the unit. Do not attempt to repair
it yourself.
[a] OPERATIONAL PROBLEMS
Problem
Possible Cause
Remedy
Abnormal
noise
Operating sounds
(water supply,
pump)
No problem.
Unstable
installation
Turn the adjusting bolts to level the
unit.
Contact with other
objects
Keep them away from the unit.
Electrolyzed
water is not
available
Power failure
Wait until power is resumed.
Unplugged
Plug in.
Power switch
(earth leakage
circuit breaker) is
off
Turn it on. If it turns off automatically,
there is a risk of electric leak.
Contact an authorized Hoshizaki
service company.
Operation lamp
(green) is off
Press the ON/OFF switch. See "4.
START UP".
Electrolyzed
water is not
available
Add salt lamp
(red) is on
Add salt. See "3. [a] SALT LEVEL".
Purge the salt water pump. See "11.
PURGING SALT WATER PUMP".
Add neutralizer
lamp (red) is
flashing
Add neutralizing agent. See "3. [b]
NEUTRALIZING AGENT LEVEL".
Tank level lamp
(green) is off
Wait until the water tank level
reaches the minimum level.
Wet floor
Water leaks
Contact an authorized Hoshizaki
service company.
[b] WHEN ERROR LAMP COMES ON OR FLASHES
When the error lamp (red) on the operation panel comes on or
flashes, open the door and check the error code in the display on the
control panels (A) and (B).
Lamp Code Problem Possible Cause
Remedy
Flash E11 Inadequate
water
supply
Water failure
Restart the unit after water
supply is resumed. See "6.
WATER FAILURE".
Water supply
valve is closed
Open.
* After the problem is resolved, press the ON/OFF switch on the
operation panel. The error lamp goes off. Press the ON/OFF switch
again to resume operation.
When one of the following error codes appears, immediately contact
an authorized Hoshizaki service company.
Lamp Code
Problem
Possible Cause Remedy
Flash E14 Water valve defective
Repair or replacement is
required.
Contact an authorized
Hoshizaki service
company.
E31 Water valve (salt water tank)
defective
E53 Reversing relay defective
E61 Flow switching valve
defective
E92 Water supply function
defective
On E12 Flow rate valve defective
E74 Thermistor defective
E81
Salt water tank float defective
E82
Water tank float defective
E85
Water pump float defective
E91 Water softener defective
The following indication on the display is not an error.
Display
On
Off
STOP Electrolysis stops for water
softener regeneration.
Electrolysis automatically
resumes at the end of water
softener regeneration.
11. PURGING SALT WATER PUMP
This unit uses a pump to supply salt water. If the salt water pump
contains air, electrolyzed water cannot be dispensed properly. When
the add salt lamp on the operation panel comes on and electrolyzed
water is not available, purge air from the salt water pump as follows:
1) Open the door.
2) Press the ON/OFF switch on the operation panel. The operation
lamp goes off, and the unit stops.
3) Press and hold the display select button on the control panels (A)
and (B) [ROX-30SA-EW: control panel (A) only]. The salt water
pump starts running and pumping up salt water to purge the salt
water hose.
4)
The sound of the pump becomes lower when the air is removed.
Release the display select button.
5) Close the door.
12. WARRANTY
Hoshizaki warrants to the original owner/user that all Hoshizaki
branded products shall be free of defects in material and/or
workmanship for the duration of the “warranty period”. The warranty
shall be effective for one year from the date of installation.
Hoshizaki’s liability under the terms of the warranty are limited and
shall exclude routine servicing, cleaning, essential maintenance and/
or repairs occasioned by misuse and installations not in accordance
with Hoshizaki guidelines.
Warranty repairs should be completed by an approved Hoshizaki
dealer or service agency using genuine Hoshizaki components.
To obtain full details of your warranty and approved service agency,
please contact:
e-Water Systems Pty Ltd
TEL : 1300 EWATER
FAX : +61(3) 9686 1377
