HAWS
®
P/N 0510000457 Rev.3 11/16
Model 8780
Page 14 of 20
TROUBLESHOOTING
TROUBLE
REPAIR CHECKLIST
Tank temperature too cold (set point 165
°
F (74ºC)
and 145ºF (63ºC) for 200 gallon tank):
a)
Used recently? Full recovery for each tank and
heater size below:
•
119 gallon/4kW, 10 hours
•
120 gallon/4kW, 10 hours
•
200 gallon/4kW, 14 hours
•
330 gallon/6kW, 18 hours
b)
Check controller setting (165
°
F/145ºF). Check
for heater on display if below 165
°
F/145ºF.
c)
Check controller for alarms.
d)
Check heater circuit fuses F1.
e)
Check control voltage and power supply fuses
PFU & CFU.
Tank temperature too hot:
a)
Check controller setting.
b)
Check alarms on controller.
Uneven water flow to eyewash (if applicable):
a)
Eyewash must be level.
b)
Clogged flow control. Clean or replace flow
control in eyewash head.
Insufficient water flow to eyewash or shower:
a)
Check water supply dynamic pressure (45-90
PSI).
b)
Check and clean “Y” strainers.
c)
Check ball valves. Must be open and unclogged.
d)
Clogged flow control.
If there are any questions that cannot be answered here, please consult Haws Corporation
at 1-888-640-4297.
For technical support, contact Haws' authorized service provider, Zevado™
| (888) 508-8065 |
