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2.9 Bed Connected to AC Power, Brakes Not Applied Detection Malfunction
Chapter 2: Troubleshooting Procedures
CareAssist™ Bed Service Manual (man330)
Page 2 - 21
2
2.9
Bed Connected to AC Power, Brakes Not Applied Detection
Malfunction
Initial conditions: the hilow function works (see “Function Checks” on page
2-4).
1. At least one of the other functions is working.
Yes
No
↓
→
2. Do the following to make sure the brake detection switch is connected
correctly.
a. Remove the foot end frame cover.
b. Make sure the brake detection switch connector is correctly connected
to the foot column connector under the cable cover.
The Bed Connected to AC Power But Brake Not Applied Detector operates
correctly.
Yes
No
↓
→
3. Do the “Function Checks” on page 2-4.
4. Do the following to make sure the brake detection switch operates
correctly.
a. Disconnect the 2-pin connector at the bottom of the foot column.
b. Using a digital multimeter, set to ohms, at the terminals of the brake
detection switch, check that the brake detection switch operates
correctly.
•
Idle (not braked), circuit closed
•
Active (braked), circuit open
The switch operates correctly.
Yes
No
↓
→
Replace the brake detection switch and brake detection cabling
subassembly (refer to procedure 4.11 on page 4-34), then go to
to “Final Actions” on page 2-9).
5. Do the following to make sure the foot column cables are connected
correctly.
a. Reconnect the 2-pin connector to the bottom of the foot column.
Summary of Contents for CareAssist P1170
Page 2: ......
Page 6: ...Revisions Page iv CareAssist Bed Service Manual man330 NOTES ...
Page 14: ...Page xii CareAssist Bed Service Manual man330 NOTES ...
Page 141: ...Warranty Chapter 5 Parts List CareAssist Bed Service Manual man330 Page 5 5 5 NOTES ...
Page 147: ...Base Frame Chapter 5 Parts List CareAssist Bed Service Manual man330 Page 5 11 5 NOTES ...
Page 157: ...Head Siderail Chapter 5 Parts List CareAssist Bed Service Manual man330 Page 5 21 5 NOTES ...
Page 165: ...CPR Cables Chapter 5 Parts List CareAssist Bed Service Manual man330 Page 5 29 5 NOTES ...
Page 187: ...SideCom Communication System Chapter 3 ...
Page 188: ...Siderail Interface P C Board 72207 and 71514 Chapter 3 ...
Page 189: ...Caregiver Control Chapter 3 ...
Page 190: ...Left Caregiver Signal Conditioning Chapter 3 ...
Page 191: ...Bed Control Board Power and Phase Control Chapter 3 ...
Page 192: ...Bed Control Board Power Management Chapter 3 ...
Page 193: ...Bed Control Board Battery Management Chapter 3 ...
Page 194: ...Bed Control Board Clock and Divider Chapter 3 ...
Page 195: ...Bed Control Board Relay FET and Drivers Chapter 3 ...
Page 196: ...Bed Control Board PLD and Connector Chapter 3 ...
Page 197: ...Bed Control Board Motor Current Limiter Chapter 3 ...