Float Switch Check And Cleaning - Hoshizaki SRC-14H Service Manual

E. Float Switch Check and Cleaning
1. Float Switch Check
1) Remove the front panel, then move the power switch to the "OFF" position.
2) Move the control switch to the "DRAIN" position.
3) Move the power switch to the "ON" position.
4) Allow the water to drain from the evaporator, then move the power switch to the "OFF"
position and the control switch to the "ICE" position.
5) Unplug the appliance from the electrical outlet.
6) Remove the control box cover.
7) Disconnect FS connector from CB K8 connector and check FS continuity. Both the UFS
and LFS should be open. Check continuity between CB K8 #5 (BK) (common) and CB
K8 #6 (R) (UFS). Next, check continuity between CB K8 #5 (BK) (common) and CB K8
#7 (BU) (LFS). If both are open, continue to step 5. If either are closed, follow the steps
in "II.E.2. Float Switch Cleaning." After cleaning FS, check UFS and LFS again. Replace
if necessary.
8) Reconnect FS connector to CB K8 connector.
9) Plug the appliance into the electrical outlet, then move the power switch to the "ON"
position and let the water reservoir fill.
10) Once the reservoir is full and GM starts, move the power switch to the "OFF" position.
11) Unplug the appliance from the electrical outlet.
12) Disconnect FS connector from CB K8 connector and check FS continuity. Both the UFS
and LFS should be closed. Check continuity between CB K8 #5 (BK) (common) and
CB K8 #6 (R) (UFS). Next, check continuity between CB K8 #5 (BK) (common) and CB
K8 #7 (BU) (LFS). If either are open, follow the steps in "II.E.2. Float Switch Cleaning."
After cleaning FS, check UFS and LFS again. Replace if necessary.
Red (R)
(upper float switch)
Dark Blue (DBU)
(lower float switch)
Black (BK)
(common)
Magnet (towards top)
Upper Float (blue)
Magnet (towards top)
Lower Float (white)
Fig. 5
31
Spring Retainer Clip
Plastic Retainer Clip