In order to prevent unauthorized access to the system setting, a key lock function is provided to prevent
In order to prevent unauthorized access to the system setting, a key lock function is provided to prevent
mischief.
mischief.
When
When the
the system
system is
is on,
on, hold
hold down
down
and
and
M O D E
M O D E
buttons for 3 seconds to
buttons for 3 seconds to activate the key lock f
activate the key lock function,
unction,
key
key loc
lock sy
k symbo
mbol
l
wi
will
ll lig
light
ht up.
up. Rep
Repeat
eat the
the sam
same s
e sequ
equenc
ence t
e to c
o canc
ancel
el key
key loc
lock f
k func
unctio
tion.
n.
Only
Only
button
button press
press is
is acknowledged.
acknowledged.
16.
16. Time
Time shortening
shortening
This function is to activate the time shortening program in the main board.
This function is to activate the time shortening program in the main board.
It must be used
It must be used with care and is
with care and is recommended for PCB testing only.
recommended for PCB testing only.
This function can only be
This function can only be activated within first 1 minute after system is powered
activated within first 1 minute after system is powered on.
on.
Hold
Hold down
down
and
and
buttons
buttons to
to activate
activate this
this function.
function.
17.
17. Main board param
Main board parameter editing
eter editing
This function is used to edit the defrost and heat mode parameters for the main board.
This function is used to edit the defrost and heat mode parameters for the main board.
This function can only be activated when system is in standby mode.
This function can only be activated when system is in standby mode.
Hold
Hold down
down
and
and
TIMER
TIMER
buttons to activate this function. Temperature display area shows “EP”
buttons to activate this function. Temperature display area shows “EP”
requesting for
requesting for password entry
password entry at timer and
at timer and error display
error display area.
area. Timer
Timer and error di
and error display area shows
splay area shows “0000”
“0000”
initially with first digit stand still while the remaining 3 digits flashing. This indicates the first digit password
initially with first digit stand still while the remaining 3 digits flashing. This indicates the first digit password
entry
entry.
. Press
Press
or
or
to
to edit
edit the
the numerical
numerical input
input from
from “0”
“0” to
to “9”.
“9”. Upon
Upon completion
completion of
of editing
editing the
the number,
number,
press
press
to
to confirm
confirm the
the entry
entry of
of this
this digit
digit and
and this
this digit
digit will
will then
then mask
mask with
with “-“.
“-“. The
The next
next available
available digit
digit will
will
then be replaced by
then be replaced by the number just entered, i.e. if
the number just entered, i.e. if the first digit is “8”, it will be
the first digit is “8”, it will be displayed as“-800”. Second
displayed as“-800”. Second
digit stand stil
digit stand still and the remaining 2 digit
l and the remaining 2 digits flashing. This indi
s flashing. This indicates the second digit passw
cates the second digit password entry
ord entry.
. Follow
Follow
the same arguments above to complete the password entry
the same arguments above to complete the password entry for these four digits. The password to enter into
for these four digits. The password to enter into
parameter editing mode is “8699”.
parameter editing mode is “8699”.
If password entry is correct, system will respond with a beep sound. If
If password entry is correct, system will respond with a beep sound. If password is wrongly entered 3 times
password is wrongly entered 3 times
consecutively or 60 seconds
consecutively or 60 seconds for password entry times up, system
for password entry times up, system will exit from this mode automatically and
will exit from this mode automatically and
user needs to repeat the complete process in order to
user needs to repeat the complete process in order to access this function.
access this function.
Upon successful of password entry, temperature display area shows the submenu selection and timer
Upon successful of password entry, temperature display area shows the submenu selection and timer
display area shows the value of parameter to be edited.
display area shows the value of parameter to be edited.
14
14
Su
Subm
bmen
enu
u
Pa
Para
rame
mete
ter
r
V
Val
alue
ue
De
Defa
faul
ultt
value
value
Remarks
Remarks
1
D
1
De
effrro
os
st
t tter
erm
miin
na
attiio
on
n tte
em
mp
pe
erra
attu
urre
e
X
XX
X
1
10
0
Set range 10C~15C or 5C~15C.
Set range 10C~15C or 5C~15C.
Depends on model.
Depends on model.
2
2
D
De
effrro
os
st
t rru
un
n ttiim
me
e
X
XX
X
1
10
0
Set range 5min~10min. Depends
Set range 5min~10min. Depends
d l
d l
