Damper Motor + Limit Switch - Daikin Modular L Smart Service Manual

ESIE19-06 | Part 2. Troubleshooting

2.4.1.2. Damper motor + limit switch

Disconnected from main PCB
Part Connector
motor X22A, X28A
limit switch X15A, X6A
Connected - main PCB power on
Part Connector
motor X22A, X28A
limit switch X15A, X6A
21/01/20 | Version 1.1
Modular L Smart
Check
Reference (kΩ)
method
resistance 12,3
∞
resistance
: damper position
Hex. & Byp.
Check Reference
method (Volt)
ACV 230
DCV 16
Remark
white wires
while damper moving contact
closed 0 Ω
Remark
permanent when energized
depends on position damper:
• at HEX & Bypass: 16 VDC
• during change: 0 VDC
2.4. Component checklist
Measure point
0Ω
Measure point
230V 230V
+ - + -
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