GC9920
12-19
1. Due to the high wattage of the product, only the specifi ed
cordset must be used.
2. When replacing the ELECTROVALVE 51, please be
reminded to apply loctite at the joints for good sealing.
3. After the product is repaired, it should function properly
& must meet the safety requirements & legal regulations as
laid down & offi cially established at this moment.
4. Basic checks for the STAND ELECTRONICS 37 as
follows:
4.1 Check for incoming AC voltage measured at L5 and
N5 (220 - 240 V AC)
220 - 240 V AC
N5
L5
4.2 Check for output of 24 V DC and 5 V DC from
switch mode power supply.
To check 24 V DC : Probe at 24 V test point and
N1/N2/N3.
24V
24 V DC
N3
N2
N1
REPAIR INSTRUCTIONS
To check 5 V DC :
1)
Probe at 5 V test point and N1/N2/N3. or
2)
Probe at connector 9019 between VDD and GND
5 V DC
2)
5 V DC
1)
N3
N2
N1
4.3 Check for AC power supply to Iron unit between L1
and N1 (220 - 240 V AC)
4.4 Check for AC power supply to Steamer unit between
L2 and N2 (220 - 240 V AC)
Steamer
220 - 240 V AC
N2
N1
L1L2
Iron
220 - 240 V AC
5.1 The calc clean process will automatically activate after
3.5 hrs of steaming. In terms of product usage time, it
would depend on how often the consumer uses steam
when he/she uses the product.
5.2 It is possible for service center to manually activate
Auto Calc Clean process before time is due.
The steps involved are as follows:
- Unplug cordset from mains socket.
- Allow boiler to cool down.
(Boiler temperature must be < 50 Deg C for auto
calc clean to take place)
- Press & hold refresh button when plugging into the
mains socket.
- Release refresh button when power-on light starts
blinking, indicating that calc clean process is active.
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