Kiwami 4D-970, Service Manual

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7. Safety precaution
When an error occurs, turn off air massage, mechanic massage, reclining, footrest, footrest Expansion and contraction, air movement, heater.
Error mode could be released by turning the power off.
Details of error are discribed on chart 7-1
Error
No.
2
3
4
5
6
8
9
10
11
14
18
19
20
21
22
23
24
25
26
27
28
29
30
40
41
42
43
44
45
46
60
61
Remote control : It does not have communication processing for 1 second in a row.
Main circuit board : power outlet 24V become below 20V after 0.5 second pass from power on with 24V.
Main circuit board : power outlet 24V become below 12V for 0.1 second in a row.
Chart 7.1 : Error display
Chart 7-1 : Error contents
Main circuit board : CRC does not match for 1 second in a row.
Main circuit board : header does not match for 1 second in a row.
Main circuit board : remote control is in busy state for 1 second in a row.
Main circuit board : It does not receive a data from remote control for 1 second in a row.
Remote control : CRC does not match for 1 second in a row.
Remote control : header does not match for 1 second in a row.
In case footrest limit signal is not entered for more than 30 seconds during footrest down operation.
Actuator connector comes off, continuous detection for 0.5 second.
In case footrest expansion and contraction pulse is not entered for more than 2 seconds during footrest expansion and contraction operation.
In case limit signal is not entered for more than 15 seconds during footrest expansion operation.
In case limit signal is not entered for more than 15 seconds during footrest contraction operation.
Continuous detection of the overcurrent for footrest expansion and contraction motor for more than 0.3 second during footrest expansion and contraction operation.
Tapping motor lock signal is continuously on for 2 seconds.
In case reclining pulse is not entered for more than 2 seconds during reclining operation.
In case footrest pulse is not entered for more than 2 seconds during footrest operation.
In case reclining limit signal is not entered for more than 30 seconds during reclining up operation.
In case reclining limit signal is not entered for more than 30 seconds during reclining down operation.
In case footrest limit signal is not entered for more than 30 seconds during footrest up operation.
Connector comes off, continuous detection for 0.5 second.
Error contents
Limit sensor signal is not on for more than 42 seconds during moving up.
Lower limit stop sensor signal is not on for more than 42 seconds during moving down.
In case elevation pulse is not entered for more than 3 seconds during elevating operation.
Malfunction of weak position sensor(weak signal is not off for more than 6 seconds during moving to "strong" direction)
Malfunction of weak position sensor(weak signal is not on for more than 6 seconds during moving to "weak" direction)
In case Strong/Weak pulse is not entered for more than 1 second during strength operation.
In case
「
Wide
」
position pulse is not entered for more than 25 seconds during kneading operation.
In case Knead pulse is not entered for more than 2 seconds during kneading operation.
Equipment error(from the main board)
Equipment error(from remote control)