Weller WR2 - Manual (Page 38)

18-20 WR 2
Activating / deactivating button lock HAP
This function can be used to change the factory-default button
response of the HAP iron. When the lock is enabled, the HAP is
activated on the first press of the button and deactivated on the next
press of the button.
1. Select the menu item HAP LOCK in Menu 2.
2. Set the status with the UP or DOWN button.
(ON = activate / OFF = deactivate)
3. Change to the next menu option using the ┌ 1 ┐ (back) or ┌1·2 ┐
(forwards) button.
Note To protect itself, the pump switches off automatically after
20 minutes of continuous operation.
Setting the control characteristic for WP 120
The HI / LO CONTROL function can be used to set the control
characteristic for WP 120 (set to HI at the factory):
1 Select menu option HI / LO in Menu 2.
2. Set the status with the UP (HI) or DOWN (LO) button.
HI: aggressive control response for maximum output - temperature
overshoots are possible
LO: sensitive control response for heat-sensitive components
8 Resetting to factory settings
Resetting the special functions
This function is described under "7.1 Selecting special functions of
Menu 1"Resetting the special functions to the factory settings" on
page 11.
Resetting calibration to factory settings
This function is described under "7.2 Selecting special functions of
Menu 2"Calibrating to factory settings" on page 17.
9 Care and maintenance of WR 2
9.1 Servicing the filter
Regularly check the main filter for VACUUM” and AIR” and replace if
necessary.
WARNING! Working without a filter can result in irreparable
damage to the vacuum pump.
Z Check before starting soldering whether a main filter is
inserted.