Dwyer instruments, inc – Dwyer WPH2 User Manual

Page 4

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Troubleshooting

MAINTENANCE/REPAIR
Upon final installation of the Series WPH2, no routine maintenance is required. The
Series WPH2 is not field serviceable and should be returned if repair is needed.
Field repair should not be attempted and may void warranty.

WARRANTY/RETURN
Refer to “Terms and Conditions of Sales” in our catalog and on our website. Contact
customer service to receive a Return Goods Authorization number before shipping
the product back for repair. Be sure to include a brief description of the problem
plus any additional application notes.

DWYER INSTRUMENTS, INC.

Phone: 219/879-8000

www.dwyer-inst.com

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A.

Fax: 219/872-9057

e-mail: [email protected]

©Copyright 2013 Dwyer Instruments, Inc.

Printed in U.S.A. 6/13

FR# R6-444022-00 Rev.2

Symptom
Power on but no display

Slow response

Action
1. Make sure the time of pressing the power key is
more than .3 seconds.
2. Check that the batteries are in place and make good
contact, minding polarities.
3. Replace new batteries.
4. Move the battery away for one minute and then put
back in.
1. Clean probe by immersing the electrode in tap water
for 10 to 15 min. Rinse thoroughly with distilled water
or use a general purpose electrode cleaner.
2. Replace with a new probe.

Error Code
E02

E03

E04

E13

E31

E32

E33

Meaning
The value is below the lower
limit.

The value is over the upper limit.

Temperature measuring error.

Slope or offset value of pH probe
is out of range.

Measuring circuit failure.

Memory saving/reading failure.

Reference voltage failure.

Solution
Re-calibrate or replace a new
probe or replace calibration
buffer.
Re-calibrate or replace a new
probe or replace calibration
buffer.
Remove batteries for one minute
then replace and power on or
replace probe.
Re-calibrate or replace a new
probe or replace calibration
buffer.
Power meter on and off. If error
still appears, send back for
repair.
Power meter on and off. If error
still appears, send back for
repair.
Power meter on and off. If error
still appears, send back for
repair.

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