MALFUNCTION
CAUSE
SOLUTION
is indicated.
The sensor is not connected.
Connect exactly the sensor cable.
The sensor cable has disconnection.
Replace the sensor.
or
is blinking.
Failure occurs inside the controller.
Replace or repair DG2N.
or
is indicated.
Failure in FEPROM of DG2N.
,
, or
is indicated.
Failure in AD converter of DG2N
Temperature is not increased while the power
indicator is on.
The heater has disconnection.
Replace the heater.
The sensor cable is short-circuited.
Replace the sensor.
The temperature indicator does not show
anything after powered on.
Short circuit protection is activated by
overloaded current.
Impossible to repair. Replace DG2N.
The power indicator is blinking quickly.
ON/OFF cycles of the relay exceed 200,000
times.
Replace or repair DG2N.
is blinking and DG2N stops working.
The lifetime of the relay is ended.
Impossible to repair. Replace DG2N.
Power ON/OFF
DG2N has no power switch on the body. After powered
on by plugging or a breaker, the temperature indicator
shows
and some numbers from
to
.
Consequently current temperature is indicated. Power
off immediately after use of DG2N.
Temperature setting
① Normally the temperature indicator shows current
temperature.
② After pressing buttons once (0.3 second), the
temperature indicator shows target temperature for 1
second. After 2 or 3 seconds, it returned to show current
temperature.
③ To raise the target temperature, press the upper button.
To turn down, press the lower button. One press
(0.3second) can change one degree. Keeping pressing
can make continuous change.
④ Keep pressing to approach the target temperature,
and press some more times to adjust to it (the range
of setting temperatures is from 0℃ to 750℃). 2 or 3
seconds after releasing from button, the indicator
shows current temperature.
Reconfirmation of the target temperature
If you need to see target temperature while heating,
press either the upper or the bottom button once (0.3
second) and the indicator shows target temperature. If
you press again within 3 seconds, the target
temperature moves. Press once after 5 seconds if you
need to confirm again.
6. HOW TO OPERATE
7. TROUBLE SHOOTING
5. APPLICATION
To fix DG2N on the wall
① Fix DG2N on the wall by screws or bolts through the holes.
② If you fix on the hollow wall, use special screws for them.
To hook DG2N
① Keep DG2N from shaking or vibration.
② Hook DG2N through two holes and fix tightly.
WARNING
Do not push both UP and DOWN buttons at the
same time. Otherwise DG2N may shift to the mode
required to recalibrate. Repair charge is needed to
recover from the mode.
If you have any questions about our products, contact with your distributors, or the Sales Head Office of HAKKO CO., LTD.
The addresses and phone numbers are as follows.
AFTER SALES SERVICE
For Inquiry
○
HAKKO CO., LTD.
Sales Head Office
1-7-9 Kamimeguro, Meguro-ku, Tokyo, 1530051, Japan.
TEL. +81-3-3464-8500 FAX. +81-3-3464-8539
Production Head Office
1490 Isobe, Chikuma-shi, Nagano, 3890806, Japan
TEL. +81-26-275-0121 FAX. +81-26-275-4878
○
HAKKO ELECTRIC THERMAL DEVICE (SHANGHAI)
CO., LTD.
No. 512 Yutang Rd., Songjiang, Shanghai, 201600, China.
TEL. +86-21-5774-3121 FAX. +86-21-5774-1700
○
HAKKO (THAILAND) CO., LTD.
9/41 Moo 5, Paholyotin Rd., Klong 1, Klong Luang, Patumthani, 12120, Thailand.
TEL. +66-2902-2512 FAX. +66-2516-2155
Home page http://www.hakko.co.jp/
