Door Control Board: Board 1Ø4
®
for PM/SSC
Product Instruction
©
2000 KONE Inc.
61111-149
All rights reserved.
9
(R3) 2000-08-31
MEASURE CURRENT (OPTIONAL)
CAUTION: Do not install an ammeter in
power supply line.
Current measurements are not required to adjust
door operator control Board 1Ø4
®
. If necessary,
measure current as follows.
1.
Connect a voltmeter to resistor R2 (.1 Ohm 5 watt
resistor) located between heat sinks Q2 and D2.
Viewing from TB1 side of control board,
right side of resistor R2 is (-) and left
side of resistor R2 is (+).
2.
Set voltmeter to a low range — 1 volt or 2.5 volt.
3.
Read measurement with following in mind.
➤
1 volt on meter indicates 10 amps of
current.
➤
.5 volt on meter indicates 5 amps of
current.
A604-018 (2/97)
SET POTENTIOMETERS
Make sure all potentiometers are set to ZERO,
except P8. Do not set potentiometer P8. It is factory-
set and sealed.
These multi-turn potentiometers
require 25 turns to traverse their
complete range.
A604-019 (3/97)
