
03/20 Model 7500EB Page 4 of 7
Obstruction in line or fitting. Clear
obstruction.
Poor flow from eyewash head(s).
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 forleaks.
Water leak between joints or fittings.
Pull hose off fitting. Smooth raised plastic
edge on center of fitting. Return hose and
hose clamp to originalposition.
Tighten hose clamp(s) with pliers
Eyewash flows for less than 15
minutes.
Fill water level in eyewash tank even with
water fill line (indicated on front of unit).
Notplugged in orno power to plug. Check
GFI and circuit breaker.
See “Red light on” Section 10a.
Water temperature is outside of heater
operating temperature range. Heater
settings are: Non-adjustable thermostat
preset to switch at 70°F ± 5°F (21°C ± 3°C)
(on rising temperature). Also, non-adjustable
hi-limit thermostat with manual reset button
preset to switch at 90° F ± 5° F (32°C ± 3°C)
(on rising temperature).
If ambient temperature is high and doesn’t
allow the water temperature to drop below
65°F (18°C) heater may not reset. If heater
must be operable under these conditions,
then, provisions should be made to
accelerate the cooling process (i.e. adding
ice to contents, etc.). Avoid contaminating
water during this process.
Notplugged in orno power to plug. Check
GFI and circuit breaker.
If red light is on, skip to “Red Light On”,
Section 10.
Yellow light or heater cycles ON/OFF. Green
light burned out. Replace green lamp.
Yellow light won’t go on.
If red light is on, skip to “Red Light On”,
Section 10.
When the eyewash temperature is above
60ºF (16ºC) the heater and Heater Indicator
Light (Yellow) may not turn on.
Yellow light is burned out if the heater turns
on but the light does not. Replace yellow
Yellow light is on all the time.
Heater not working. Contact Haws
Representative for service or return