AW Gear Meters EMO-1005 - Manual (Page 39)

AW-Lake Company 8809 Industrial Drive, Franksville, WI 53126  web: www.awgearmeters.com
 Tel: 262-884-9800  Fax: 262-884-9810  Email: [email protected]
REV. 1a 05/98 EMO-1005 Manual.DOC
38
CAUTION!!!
The Power-supply card has live 110 VAC on the card.
Disconnect the power cord before opening the EMO-1005.
EMO-1005 TROUBLESHOOTING
Symptom Possible Cause Correction
No display at all. No 110 VAC power to unit Check 110 VAC Supply
Blown main fuse in power supply All Check fuse F1
three LED
=s on supply card OFF
No display at all & Analog Output +12 VDC/+5VDC supply fuse blown LED Check fuse F2
is negative D1 and D3 off
Analog 4-20 mA Output very High -12 VDC supply fuse blown, LED D2 OFF Check fuse F3
Analog 5 V Output very High -12 VDC supply fuse blown, LED D2 OFF Check fuse F3
Zero reading on rate or total. LED on
channel card is blinking. KFR or KFT set to Zero
KFR and KFT must NOT be Zero Correct KFR and KFT
Default KFR=100,
KFT=10000
Zero reading on display. LED on channel
card is NOT blinking. Faulty pick-up, wiring wrong Check pickup, Check wiring
Frequency amplitude too low Wire from pickup is too long
No frequency input reading on pin 4.
LED on channel card is NOT blinking. Frequency amplitude too low
Try pin 3 input. Pin 4 amplitude must be at
least 4.5 V p-p
No frequency input reading on pin 3
LED on channel card is NOT blinking. Sensitivity adjustment wrong. Check jumper J10-J12 on
channel card.
Zero reading of both Rate and Total. Sample amount set to Zero
KFR set to Zero Set Sample amount to more
than Zero (Default=8)
Wrong reading of Rate or Totalizer. KFR or KFT programmed wrong Check formula for KFT or
KFT
Check programmed value
No Analog Input reading. Faulty wiring or sensor KFA set to Zero Check Status display, if NOT
OK, check sensor/wiring.
Check with mA meter on pin
5. If NO reading, check
wiring/sensor.
No Analog Output signal. Faulty wiring/receiver Check wiring/receiver. Check
with Volt meter between pin
6 and pin 7. Over 12 VDC =
Output OK, but open current
loop (1-5 VDC = 4-20 mA)
None of the Limit outputs are working Common connection on pin 15 missing/bad Check wiring
Lost configuration Data
Display
ΑRam and no Bat≅ at power-up
RAM battery dead Return to AW-Company for
repair