
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TECHNICAL INFORMATION AND TROUBLESHOOTING
Controller Board PP490 (and PP440 Japan 200V), FKD20
Most LEDs on this circuit board runs a function test at startup for about one second.
Bottom left corner, motor interface.
3V3
Indicates that controller board has power.
PWREN
Lit when power is delivered to blade motor.
FAULT
Lights up for a short while if short circuit (or other peak current) is
detected on blade motor output.
BRAKE
Lit when power is directed to breaking resistor, i.e. when electric blade
brake is active.
DLED1
19 kW motor setup
DLED2
13 kW motor setup
DLED3
Not in use.
DLED4
Not in use.
Summary of Contents for PP440HF
Page 1: ...HUSQVARNA CONSTRUCTION PRODUCTS Workshop manual WS440HF WS482HF PP440HF PP480HF PP490HF ...
Page 2: ...2 LEGEND ...
Page 43: ...8 43 TECHNICAL INFORMATION AND TROUBLESHOOTING Function test Remote Control p 22 ...
Page 44: ...44 8 TECHNICAL INFORMATION AND TROUBLESHOOTING Power Supply p 46 ...
Page 52: ...52 8 TECHNICAL INFORMATION AND TROUBLESHOOTING Internal water valve p 62 ...
Page 55: ...8 55 TECHNICAL INFORMATION AND TROUBLESHOOTING ...
Page 56: ...56 8 TECHNICAL INFORMATION AND TROUBLESHOOTING ...
Page 58: ...58 8 TECHNICAL INFORMATION AND TROUBLESHOOTING ...
Page 60: ...60 8 TECHNICAL INFORMATION AND TROUBLESHOOTING ...
Page 65: ...8 65 TECHNICAL INFORMATION AND TROUBLESHOOTING ...
Page 66: ...66 8 TECHNICAL INFORMATION AND TROUBLESHOOTING ...
Page 156: ...1 5 6 13 WIRING DIAGRAMS 13 WIRING DIAGRAMS Electrical Drawings WS482 Saw Head Circuit Board ...
Page 157: ...13 1 5 7 WIRING DIAGRAMS PP480 ...
Page 158: ...1 5 8 13 WIRING DIAGRAMS PP490 4 pin ...
Page 159: ...13 1 5 9 WIRING DIAGRAMS PP490 5 pin ...
Page 161: ...13 1 6 1 WIRING DIAGRAMS PP490 ...
Page 162: ...1 6 2 13 WIRING DIAGRAMS Remote Control ...
Page 164: ...1 6 4 13 WIRING DIAGRAMS Contact connected to PP 480 440 HF Straight connection ...
Page 165: ...www husqvarnacp com 115 84 14 26 English 2013 04 ...