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PULSE 6 SERVICE MANUAL

PAGE 5.9

SEPT 2011SUNRISE MEDICAL

Section 5

1 to 3 ohms

Positive probe here

Negative probe here

Continuity between pins

Positive probe here

Negative probe here

Open between pins

Negative probe here

Positive probe here

Open between pins

Negative probe here

Positive probe here

Continuity between pins

Note: Since the tilt actuator will not operate,

it is only possible to check for one condition.

Pick the condition below that best describes

the position of the tilt system.

9. Example 1, the tilt is in mid-stroke. The value

recorded is the resistance through the actuator

motor windings (Figure 5.9.1). If this reading is

not correct, replace the tilt actuator and retest.

Note: The value recorded in one direction is

the forward resistance through a diode and

will vary with the type of Multimeter used.

This value is not important, as long as there

is continuity in one direction only. This value

may even be high. The value recorded in the

other direction is across the open contact of

the end of stroke micro-switch and should be

open.

10. Example 2, the tilt is in the full down position

(Figure 5.9.2). If the readings are not correct,

replace the tilt actuator. Refer to Tilt Actuator

and Micro-Switch Removal section this manual.

Retest as necessary.

Note: The value recorded in one direction is

the forward resistance through a diode and

will vary with the type of Multimeter used.

This value is not important, as long as there

is continuity in one direction only. This value

may even be high. The value recorded in the

other direction is across the open contact of

the end of stroke micro-switch and should be

open.

11. Example 3, the tilt is in the full up position

(ﬁ gure 5.9.3). If the readings are not correct,

replace the tilt actuator. Refer to Tilt Actuator

and Micro-Switch Removal section this manual.

Retest as necessary.

*SEE NOTE*

R-net Fault Codes cont.

fig. 5.9.1

fig. 5.9.2

fig. 5.9.3

*SEE NOTE*

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 71 72

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