Merits Pilot - Status Display PCB Replacement; Key Switch Replacement; Figure 4-33 Status Display PCB Removal; Figure 4-34 Key Switch Removal

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4-18

4.4.9. Status Display PCB Replacement

i. Loosen the two screws on the status display PCB.

ii. Remove status display PCB from the right side cover.

Figure 4-33 Status display PCB removal

4.4.10. Key Switch Replacement

i. Loosen the locking nut on the key switch.

ii. Remove the key switch from the right side cover.

Figure 4-34 Key switch removal

Main Page

Table of Contents2
Introduction8
Intended Use8
How to Use Installation and Service Manual8
Safety Rules8
Warranty9
Table 1-1 Specification of Stairlift10
Installation11
Unpack and Verify the Shipment11
Figure 2-1 Unpacking Carriage, Seat, and Rails11
Figure 2-2 Unpacking Seat Post/Footrest and Accessories12
Determine Handing13
Cut the Rail to Length as Required13
Figure 2-3 the Rail Is Installed on the Right Side of Stairs for the Right-Hand Unit13
Figure 2-4 the Top and Bottom Side of the Rail13
Stairs Measurement14
Determine the Rail Length14
Figure 2-5 Stair Measurement14
Connect Rail Sections Together (if Required)15
Figure 2-6 Connect Rail Sections Together15
Table 2-1 Top Rail Extension Length15
Install Bottom Rail Accessories16
Install Rail Assembly on Stairs16
Figure 2-7 Install Charging Bases and Limit Switch Cam16
Install Racks on Rail Assembly17
Figure 2-8 Rail Bottom Distance to the Floor17
Figure 2-9 Install Mounting Brackets17
Install Carriage on Rail18
Slide Carriage Onto Rail18
Figure 2-10 Mesh the Rack Sections18
Figure 2-11 Carriage Gripping Area19
Figure 2-12 Carriage Installing Direction19
Engage Carriage Gear with Rack on Rail20
Move Carriage down by Remote Controller20
Figure 2-13 Drive Carriage down by Hand Crank20
Figure 2-14 Plug Short Links on Carriage20
Install Accessories on Top Rail Section21
Adjust Location of Top and Bottom Limit Switch Cams21
Figure 2-15 Install Accessories on Top Rail Section21
Figure 2-16 Location of Limit Switch Cams21
Install Footrest Assembly22
Check Handing of Footrest22
Switch Handing of Footrest (if Required)22
Figure 2-17 Footrest Handing22
Figure 2-18 Switch Footrest Handing22
Assemble Footrest23
Figure 2-19 Central Spacer Plate23
Figure 2-20 Footrest Installation23
Plug in Connector to Carriage Footrest Cable24
Install Seat Assembly24
Check Handing of Seat24
Figure 2-21 Footrest Connector24
Figure 2-22 Seat Handing24
Change Handing of Armrest (if Required)25
Figure 2-23 Rocker Switch Wiring for Different Handing25
Figure 2-24 Armrest Bottom Cover Screws25
Adjust Armrest Width (if Required)26
Figure 2-25Armrest Safety Switch and Plugs26
Figure 2-26Armrest Width Adjustment26
Adjust Seat Height (if Required)27
Plug in Seat Control Cable27
Figure 2-27 Seat Height Adjustment27
Figure 2-28 Seat Cable27
Secure Seat on Seat Post28
Install Covers28
Install Seat Post Cover28
Figure 2-29 Install Pin and Nylon Washer28
Figure 2-30 Install Seat Post Cover28
Install Carriage Side Covers29
Install Carriage Rubber Plugs29
Figure 2-31 Install Carriage Side Covers29
Figure 2-32 Carriage Rubber Plugs29
Install Charger30
Install Mechanical Stop30
Figure 2-33 Charger and Connectors30
Figure 2-34 Mechanical Stops30
Assemble Rail End Covers31
Mount Charger and Remote Control Holder31
Check Installation and Lubricate31
Figure 2-35 Assemble Rail End Cover31
Remote Control Testing32
Seat Testing32
Rocker Switch Direction32
Swivel Handle32
Figure 3-1 Seat Swivel32
Armrest Safety Switch33
Emergency Stop (Optional)33
Figure 3-2 Armrest Safety Switch33
Figure 3-3 Emergency Stop Button33
Footrest Testing34
Obstacle Detection at Unfolding34
Obstacle Detection at Folding34
Figure 3-4 Footrest Test Direction34
Figure 3-5 Footrest Test Direction at Folding34
Carriage Testing35
Obstacle Detection35
Limit Switch Detection35
Charging35
Figure 3-6 Carriage Obstacle Test35
Dismantling Components36
Figure 4-1 Dismantling Sequence36
Armrest Components Replacement37
Rocker Switch Replacement37
Armrest Switch Replacement37
Figure 4-2 Rocker Switch Replacement37
Emergency Stop Button Replacement (Optional)38
Figure 4-3 Armrest Switch Replacement38
Figure 4-4 Emergency Stop Button Replacement38
Seat Removal39
Swivel Switch Replacement39
Figure 4-5 Seat Removal39
Figure 4-6 Swivel Switch Replacement39
Footrestremoval40
Top Cover Removal40
Footrest and Seat Post Removal40
Figure 4-7 Top Cover Removal40
Figure 4-8 Footrest and Seat Post Removal40
Footrest Safety Cover Removal41
Footrest Obstacle Detecting Switch Removal41
Figure 4-9 Footrest Cover Removal41
Figure 4-10 Footrest Obstacle Detecting Switches41
Footrest Parts Removal42
Figure 4-11 Footrest Parts Removal42
Figure 4-12 Torsion Spring Removal42
Footrest Parts Assembly43
Figure 4-13 Torsion Spring Assembly43
Figure 4-14 Footplate Shaft Assembly43
Figure 4-15 Footrest Parts Removal44
Figure 4-16 Tighten Footrest Safety Cover Screws44
Covers Removal45
Figure 4-17 Top Obstacle Sensor Cover Removal45
Figure 4-18 Bottom Obstacle Sensor Cover Removal45
Figure 4-19 Loose Screws on the Side Cover46
Figure 4-20 Release the Hook of Side Covers46
Batteries Replacement47
Figure 4-21 Disconnect Cables47
Figure 4-22 Disconnect Battery Cable47
Figure 4-24 Slide the Batteries out48
Control PCB Replacement49
Figure 4-25 Battery Cables49
Figure 4-26 Control PCB Screws49
DC Motor Brushes Replacement50
Fuse Replacement50
Figure 4-27 DC Motor Brushes Replacement50
Figure 4-28 Fuse Replacement50
Charging Pins Replacement51
Obstacle Switch Replacement51
Figure 4-29 Charging Pin Replacement51
Figure 4-30 Obstacle Switch Replacement51
Power Switch Replacement52
IR PCB Replacement52
Figure 4-31 Power Switch Removal52
Figure 4-32 IR PCB Removal52
Status Display PCB Replacement53
Key Switch Replacement53
Figure 4-33 Status Display PCB Removal53
Figure 4-34 Key Switch Removal53
Top Rail Accessories Removal54
Carriage Removal54
Figure 4-35Top Rail Accessories Removal54
Figure 4-36 Carriage Jumpers and Rubber Plugs55
Figure 4-37 Move Carriage up by Hand Crank55
Rollers Replacement56
Limit Switches Replacement56
Figure 4-38 Carriage Rollers56
Figure 4-39 Carriage Limit Switches56
Rail Removal57
Figure 4-40 Rail Removal57
Check List58
Rail58
Seat58
Footrest58
Carriage58
PCB Layout59
Figure 5-1 PCB Layout59
Troubleshooting60
Troubleshooting Flowchart60
Figure 6-1Troubleshooting Chart When Stairlift Won't Run60
Diagnostic Codes61
Table 6-1 Troubleshooting61
Wiring Diagram63
Figure 6-2Wiring Diagram63
Table 6-2Wiring Components List64
Tool Kit65
Figure 7-1 Tool Kit of Service65
Table 7-1 Tool Kit65

Merits Pilot - Status Display PCB Replacement; Key Switch Replacement; Figure 4-33 Status Display PCB Removal; Figure 4-34 Key Switch Removal

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