Troubleshooting - Honeywell 50045947-001/011 Operating Instructions Manual

The following table refers to the steam humidifier's fault detection feature.
Number of
"Service" red Description
light blinks
2 Water level sensors
failed to detect tank
water
3 Failed to fill steam
humidifier tank
4 Heating element
overheated
6 Water overflow
sensed in tank
13 Tank failed to drain
Blinking "Cleaning
required" light on
steam humidifier
"Water hammer" or
leaks at initial instal-
lation (Model
50045947-002 / 012
only)

TROUBLESHOOTING

Possible Cause
Scaling on the sensor
Expired #1 and #2 water fil-
ters
Missing flow control in drain
line
Storage tank air charge is
less than 5-7 psi
Scaling on element
Heavy sediment in tank
Dry filters may have higher
potential for this as water
works through the dry filter
initially
9
Corrective Action
Replace #1 sediment filter and
#2 RO filter. See steam
humidifier manual trouble-
shooting section for specific
humidifier steps
Replace flow control (provided
with 50046086-001 / 011)
Drain the storage tank. Check
tank air pressure and, if low,
pressurize to 6 psi
See steam humidifier manual
for cleaning steps
Fill the filters with water before
connecting the RO outlet to
the humidifier, letting the water
run into the drain or a bucket.
Once air is out of the RO out-
let line, turn off the water and
connect RO outlet to humidifi-
er. Turn water back on