Stulz Mini-Space DX CCD131A, Original Instructions Manual

Page: 45 / 74

9
/08.2014/ humidifier EN
“Warning”
yellow LED blinks
“Error”
red LED blinks
Cause Remedy
1x
Control board
defective
---
Control board defective Please contact your unit supplier.
2x
Max. filling level
of steam cylinder
reached
---
Water conductivity too low (after
initial operation).
Water conductivity too low for type
of steam cylinder.
Phase failure heating voltage. Wait.
Select correct steam cylinder type.
Check mains fuse(s) and replace if
applicable.
3x
Permissible filling
time exceeded
for more than 20
minutes
(first automatic
cleaning cycle)
3x
Permissible filling
time exceeded for
more than
220 minutes.
Phase failure heating voltage.
Water supply obstructed, water pres-
sure too low, inlet valve defective.
Excessive steam back pressure,
causing water loss via filling cup.
Drain valve is leaking.
Check mains fuse(s) and replace if
applicable.
Open shut-off valve in the water
supply pipe, clean water inlet filter,
check water pressure, inspect/re-
place inlet valve.
Inspect steam installation.
Clean/replace drain valve.
Note: if the Jumper “L” is removed from the ECCM/S control unit, the unit automatically triggers an error without
prior warning if the admissible filling time has been exceeded for more than 20 minutes (red LED lights and the
error switch on the control unit ECCM/S is activated). However the unit switches off after 220 minutes of filling time
exceeding (see chapter 12.1.1.3).
4x
Steam cylinder
needs servicing
4x
Interval for steam
cylinder service
exceeded for
more than 72
hours
Interval for steam cylinder service
exceeded.
Mineral deposits and/or electrodes
spent. Replace steam cylinder type A, clean
steam cylinder type D (see chapter
5, humidifier service manual).
Important!
Refer to chapter 12.1.4.2 for reset-
ting the maintenance indicator.
Note : if the Jumper “K” is installed on the ECCM/S control unit, the unit remains in warning status even if the interval
time has been exceeded for more than 72 hours. No error is triggered (red LED does not light) and the error switch
on the control unit ECCM/S is not activated (see chapter 12.1.1.3).
6x
Electrode current
too high
6x
Electrode current
too high
Steam cylinder (electrodes) defec-
tive.
Faulty auto-drain function.
Faulty drain valve/coil.
Steam cylinder outlet obstructed.
Water conductivity too high for type
of steam cylinder. Replace steam cylinder or electro-
des.
Inspect installation/control system.
Replace drain valve/coil.
Clean/replace steam cylinder.
Select correct steam cylinder type.
7x
Foam detection in
the steam cylinder
7x
Foam control
impossible
Formation of foam in steam cylinder. Empty/flush steam cylinder.
Set jumper on “DRN” (see chapter
12.1.1.3).
---
8x
Main contactor
jammed
Main contactor jammed in activated
position. Check/replace main contactor.
9x
Drain valve blocked
9x
Drain valve blocked
Drain valve blocked or defective.
Steam cylinder outlet blocked. Clean/replace drain valve.
Clean steam cylinder outlet.
---
10x
Rotary switch in
wrong position
Rotary switch on control unit ECCM/
S is set to an invalid position. Set rotary switch on control unit
ECCM/S to the position for the corre-
sponding steam cylinder type (see
chapter 12.1.1.3).
12.1.4.4 Malfunction lists