Stryker 6390, Maintenance Manual

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C Co ott lle eg gss a arre e rre ettrra acctte ed d,, b bu utt tth he e cco ott iiss n no ott lliifftte ed d b byy tth he e lliiffttiin ng g a arrm mss w wh he en n yyo ou u p prre essss
tth he e rre ettrra acctt ((--)) b bu utttto on n
1. Make sure that the trolley is on and functions without errors.
2. Make sure that the cot and trolley communication modules are connected, undamaged, and working properly.
a. Try the cot with a known, good P Po ow we err--L LO OA AD D.
b. Try the trolley with a known, good cot.
3. Check all cable connections associated with communication leading back to the control board.
4. Replace the communication board (6390-001-378 or 6500-002-100).
5. Replace the control board assembly (6390-001-014 or 6500-002-014).
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rre ettrra acctt ((--)) b bu utttto on n
1. Check the support sensor (6390-001-397) on the trolley.
2. Check the cable and connections to the control board.
3. Check for an error on the trolley control panel. If there is an error, contact Stryker Technical Support.
4. Check the cot by itself for proper functionality.
5. Make sure that the cot indicates a good battery and no errors are present on the cot LCD. If you have an error, replace
the battery.
6. Press the retract (-) button on the cot.
a. If you hear the cot pump motor run, the issue is a stuck rod-side manual valve (patient left manual valve) on the cot.
7. Remove the pressure switch connection from the cot main cable (at the end closest to the hydraulics) to check for a
faulty pressure switch.
a. Jumper the cable to simulate a closed switch and press the retract (-) button.
b. If you do not hear the motor, the cable connections or pump motor may be the problem.
c. Fix the connection or replace the pump motor.
8. Check the cot control board (6390-101-014) and replace, if necessary.
T Trro olllle eyy lliiffttss tth he e cco ott tto oo o ssllo ow wllyy w wh he en n yyo ou u p prre essss tth he e rre ettrra acctt ((--)) b bu utttto on n
1. Make sure that the trolley battery voltage is > 12.2V DC.
a. If the battery is charged and the voltage is < 10.0V DC when you press the retract (-) button, replace the trolley
battery.
2. Check for an error on the trolley control panel LEDs while you move the lifting arms with the trolley control panel.
a. If an error is active only when you use the lifting arms, replace the support sensor (6390-001-452).
3. Replace the hydraulics assembly (6390-001-039).
4. Replace the control board assembly (6390-101-014).
L Liiffttiin ng g a arrm mss lliifftt tth he e cco ott tto oo o q qu uiicckkllyy w wh he en n yyo ou u p prre essss tth he e rre ettrra acctt ((--)) b bu utttto on n
1. Check for a faulty or broken support sensor cable (6390-001-452).
2. Check for a faulty cabling connection to the control board.
6390-309-002 Rev AB.0 23 EN