Service Manual

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7. Factory Use (S4 dip switch 8)
Factory set for proper operation. Do not adjust. This must be left in the factory default
position.
8. Freeze Timer (S4 dip switch 9 & 10)
NOTICE
Adjust to proper specication, or the icemaker may not operate correctly.
The freeze timer setting determines the maximum allowed freeze time to prevent possible
freeze-up issues. Upon termination of the freeze timer, the control board initiates the
harvest cycle or pump-out cycle. After 2 consecutive freeze timer terminations, the
control board shuts down the icemaker. In this case, see "II.I.3. Low Ice Production"
for possible solutions. The freeze timer is factory set and no adjustment is required.
Before changing this setting, contact Hoshizaki Technical Support at 1-800-233-1940 for
recommendations.
S4 Dip Switch Setting Time
(min.)
No. 9 No. 10
OFF OFF 60
OFF ON 50
ON OFF 70
ON ON 75
9. Float Switch Control Selector (S5 dip switch 1)
NOTICE
Do not adjust. This must be left in the factory default position or the icemaker will
not operate correctly.
This dip switch setting allows use of this control board in single and dual oat switch
models. This model uses a single oat switch style.
S5 Dip Switch Setting
Upper or Lower Float Switch
ControlNo. 1
OFF Lower Float Switch Enabled
ON Upper Float Switch Enabled