Manual
T
roubleshooting
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: info@dwyer-inst.com
©Copyright 2013 Dwyer Instruments, Inc. Printed in U.S.A. 6/13 FR# R6-444022-00 Rev.2
Symptom
P
ower on but no display
S
low response
Action
1
. Make sure the time of pressing the power key is
m
ore than .3 seconds.
2
. Check that the batteries are in place and make good
c
ontact, 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
f
or 10 to 15 min. Rinse thoroughly with distilled water
o
r use a general purpose electrode cleaner.
2
. Replace with a new probe.
E
rror Code
E
02
E03
E
04
E13
E31
E
32
E33
M
eaning
T
he value is below the lower
l
imit.
The value is over the upper limit.
T
emperature measuring error.
Slope or offset value of pH probe
is out of range.
Measuring circuit failure.
M
emory saving/reading failure.
Reference voltage failure.
S
olution
R
e-calibrate or replace a new
p
robe or replace calibration
buffer.
Re-calibrate or replace a new
probe or replace calibration
b
uffer.
R
emove batteries for one minute
t
hen 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.
P
ower meter on and off. If error
s
till appears, send back for
r
epair.
Power meter on and off. If error
still appears, send back for
repair.