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68
6550-309-001 REV A
www.stryker.com
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Troubleshooting Guide
PROBLEM
SOLUTION
PAGE(S)
Base does not retract in
the powered mode.
1. Check power indicator LED.
A. If blinking constant RED, change battery.
B. If blinking a patterned RED short, short, long flash:
i. Check for broken or disconnected wires.
ii. Check for 24V DC at connector (B) on the main
cable by the motor while pressing the extend (+)
button. If voltage is present, replace (in order) the
solenoid and or ‘A’ valve. If voltage is not present,
go to step iii.
iii. Check for 24V DC on electronics assembly pins
2 white and 6 red on (F) while pressing the extend
(+) button. If voltage is not present, replace the
electronics assembly. If voltage is present, replace
the wire harness.
Base does not extend in the manual
mode.
1. Check manual cable adjustment.
2. Change ‘non-locking’ manual valve.
Base does not retract in the manual
mode.
1. Check manual release cable adjustment.
2. Change ‘locking’ manual valve.
Litter does not retract in the manual
mode (with patient weight).
1. Make sure that the weight is off of the casters before
lowering the cot.
2. Check manual cable adjustment.
3. Replace ‘locking’ manual valve.
Litter does not extend in the manual
mode.
1. Check manual cable adjustment.
2. Change ‘non-locking’ manual valve.
High Speed retract does not engage. 1. Check that weight is off of the casters.
2. Change pressure switch.
TROUBLESHOOTING GUIDE (CONTINUED)
Summary of Contents for Power-PRO TL
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