Quickie Rhythm, Technical & Service Manual, Page: 105 / 182

105
©2006 Sunrise Medical
SEATING SECTION
Additionally there may be encoder errors. Use the
HHP to re-home the chair prior to completing any tests.
Complete the following procedures to test the Shear
Count Reset Switch (CRS).
Locate the QMAC mounted on the back of the 1.
wheelchair (Fig 3.96).
Locate the Shear CRS (B) mounted under the 2.
QMAC (Fig 3.97). Note: this switch is Normally
Open (NO) when the seat-back is fully elevated,
and closes as the seat-back lowers.
3. Verify that the switch is not damaged and free to
3.
operate.
Disconnect the 6-pin female connector (C) leading 4.
to the Shear port of the QMAC(Fig 3.98).
Fig 3.96
Fig 3.97
B
C
Fig 3.98
The back will not drive to the preprogrammed shear value