GeneralAire DS50 LC Elite Steam - Manual (Page 20)

DS 50 / DS 50 LC +030222065 Rev. 1.2 20
5.5 Humidistats
Several GeneralAire humidistats may be used with the Elite Steam Humidifier;
GFX50 (included)
Allows Modulating or On-Off operation. Is capable of Outdoor Temperature Compensation, and has other programmable functions.
Backlit LCD display.
E2 (optional)
On-Off operation only. Is capable of Outdoor Temperature Compensation. LCD display.
M3 and SCX3 (optional)
Manual, On-Off operation only.
For detailed installation, programming and operating instructions, please see the Humidistat’s Operating Manual.
WARNING: Do not allow excess humidification. Excess humidity can cause condensation and enable mold and mildew growth.
5.6 Alarms
In the event of an alarm, the red alarm LED will flash, the alarm relay will close, and the alarm code will flash in the display. Multiple
alarms will flash in sequence, alternating with the main display. Pressing the sel button for 2 seconds will reset the alarms, although
still active alarms will continue to display.
Dis
play
Description Action Red
Led
Alarm
Relay
Notes
-- Remote on-off open Unit disabled Off Off Check Pressure Sw. circuit, AB-AB
EE Internal memory error Unit disabled On On Contact Factory
E0 Control board configuration not valid Unit disabled On On Contact Factory
E1 High current alarm Unit disabled On On Turn off, check connections, check
cylinder (no limescale bridges between
electrodes, no electrodes short-circuited)
E2 Low production, low supply water
conductivity or excessive
foam/limescale in the cylinder Unit disabled.
Press “reset/sel” key for 1 seconds to reset. On On Check supply water conductivity (too
low?), replace the cylinder.
E4 Fill alarm, unable or slow fill
(current does not increase within
timeout) Press “reset/sel” key for 1 seconds to reset, otherwise
the warning will be reset automatically every 10
minutes until the supply water is available again. On On Check water supply and fill valve; check
drain pump for leakage
E5 Drain alarm, unable to drain
(current does not decrease within
timeout) Press “reset/sel” key for 1 seconds to reset On On Check drain pump and drain connection
E6 Cylinder exhausted
(critical performance detected)
The warning is automatically reset if DS 50 / DS 50 LC
can produce the demand, otherwise turn off and then
on. Off Off Change cylinder (urgent)
E7 Foam detected Press “reset/sel” key for 1 seconds to reset Off Off If it continues, do some cleaning cycles
(read chap. “Starting with a new
cylinder”)
E8 Cylinder lifetime expired (2000 hours) Reset the hour counter (read chap. Resetting the hour
counter”) Off Off Change the cylinder.
E9 High controller temperature (above
176 °F / 80 °C) The warning is automatically reset if the temperature
decreases below 176 °F / 80 °C. Off Off Check the ambient temperature, replace
the controller.