20
resume operation. The error code disappears, and the buzzer stops.
If the error code appears again, move the power switch (ELCB) to the “OFF” position, and
immediately contact an authorized Hoshizaki service company.
Error Code
Problem
Possible Cause
A1
Auto fill
Drain pipe disconnected
Dirty sensing hole of water level pressure switch
A2
Water supply
Water failure
Water supply valve closed
Water supply line shut-off valve closed
A3
Low wash water level
with unit running or idling
Drain pipe disconnected
Strainer out of position
Dirty sensing hole of water level pressure switch
A5
Drain error
Drain pipe not disconnected
Dirty sensing hole of water level pressure switch
[c] TROUBLES WITHOUT ERROR CODE INDICATION
Problem
Possible Cause
Remedy
Unit fails to
operate
“ON/OFF”
button off
Check that the display on the operation panel is off and
the main power supply is on. Press the “ON/OFF” button.
If the display and “READY” lamp light up, the unit is
ready. If the auto fill cycle is not complete, the unit will
start water supply and then enter the ready mode. In the
ready mode, operation can be started by opening and
closing the door.
Power failure
If the main power supply and “ON/OFF” button are on but
the display does not light up, check for power failure.
In case of power failure, turn off the main power supply
and wait. When the power resumes, start up the unit
according to sections 3 - 6.
If the power does not resume on the same day, shut
down the unit according to section 9.
Main power
supply off
Turn on the main power supply. If it switches off again,
immediately contact an authorized Hoshizaki service
company.
Unit is not
operable by
opening/closing
door
Standby lamp
on
The unit is not operable by opening/closing the door
while the standby lamp on the operation panel is on. To
cancel the standby mode and resume operation, follow
the instructions in section 11.
If the standby mode cannot be cancelled, or the unit is
still inoperable, move the power switch (ELCB) to the
“OFF” position, and immediately contact an authorized
Hoshizaki service company.