User Manual

08/16 Model 7501/7501T/7501TH/7501T240/7501T240H Page 5 of 8
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®
Corporation – All Rights Reserved
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®
and other trademarks used in these materials are the exclusive property of Haws Corporation
TROUBLESHOOTING
PROBLEM
REPAIR CHECKLIST
1.
No flow.
1.
a.
Tank empty. Refill tank (8.75 gallons).
b.
Obstruction in line or fitting. Clear
obstruction.
2.
Poor flow from eyewash head(s).
2.
a.
Tighten head assembly.
b.
Check for obstructions. If necessary,
remove eyewash head(s), clean and
reassemble. To reassemble head, place
cap screw through head and thread into
head anchor two or three turns. Tilt head
assembly and work anchor legs into
eyewash armholes. Tighten assembly.
Check for leaks.
3.
Water leak between joints or fittings.
3.
a.
Pull hose off fitting. Smooth raised plastic
edge on center of fitting. Return hose and
hose clamp to original position.
b.
Tighten hose clamp(s) with pliers.
4.
Water leaking from eyewash heads.
4.
a.
Check to see if water level has exceeded
water fill line (indicated on side of unit). If
so, remove excess water till fill line is
reached.
b.
Make sure unit is level from front to back
and left to right.
5.
Eyewash flows for less than 15 minutes.
5.
a.
Fill water level in eyewash tank even with
water fill line (indicated on side of unit.
6.
Excessive water loss
6.
a.
Check unit for leaks. Some loss due to
evaporation is normal.
7.
Heater doesn’t turn on. (Model
7501T/7501TH/7501T240/7501T240H)
7.
a.1
a.2
7501T/7501T240: Not plugged in or no
power to outlet.
7501TH/7501T240H: No power to unit.
b.
c.
Check GFCI and/or circuit breaker.
If ambient temperature is high and doesn’t
allow the water temperature to drop below
68°F (20°C) the heater may not switch on.
Heater settings are: Non-adjustable
thermostat preset to switch at 73°F ± 5°F
(23° ± 3°C). Test the thermostat and heater
function by applying ice in a circular motion
to thermostat location. Apply ice to this
location for approximately 3-5 minutes. The
heat trace cable should become warm to
the touch when operating properly.
Thermostat locations are indicated on
Installation Drawing page 8 of 8.