This is a common problem of Robinair 34700Z / 347002k & 347112k series machine.so don't worry just check the following :- 1# Verify the ISV tank is not overfilled.if full,remove some refrigerant manually from tank. 2# Purge excess air from the tank manually.( Open air purge hose from the tank,then press tank valve as needed to purge air from the tank) 3#Check the air purge solenoid & High pressure switch for proper operation.Hope this will solve your problem, Best of luck & vote for my solution!
I have a 34700Z when i put it to vacuum it purge out the gas . i have change the purge valve but it does the same thing.
When you turn your machine on for the first time, the display
prompts you to enter the current date and time. After entering,
it will not appear anymore.
NOTE: When turning on the machine after turning it off for a
long time, you need to reset date and time.
1 Press Menu until "Machine Setup" appears on the top line
of the display.
2 Press the scroll button ( or ) to display "Date & Time"
on the bottom line and press Enter.
3 Enter the correct time and date using the number keypad.
Month = 01 ~ 12
Day = 01 ~ 31
Year = requires four digits
Hour = 01 ~ 12 (12-hour mode)
00 ~ 23 (24-hour mode)
Minute = 00 ~ 59
NOTE: The date format may differ from country to country.
You can also use the scroll button ( or ) to move the
cursor under the digit you want to correct and enter a new
number.
4 To select "AM" or "PM" for 12-hour format, press the or
button or any number button.
When the cursor is not under the AM or PM indicator,
pressing the or button immediately moves the
cursor to the indicator.
You can change the clock mode to 24-hour format (e.g.
01:00 PM as 13:00). For details, see "Changing the Clock
Mode" on page 2.10.
5 Press Enter when the time and date on the display is
correct.
6 To return to Standby mode, press Stop/Clear.
Changing the Clock Mode
You can set your machine to display the current time using
either a 12-hour or 24-hour format.
1 Press Menu until "Machine Setup" appears on the top line
of the display.
2 Press the scroll button ( or ) until you see "Clock Mode"
on the bottom line and press Enter.
The clock mode currently set for the machine displays.
3 Press the scroll button ( or ) to select the other mode
and then press Enter to save the selection.
4 To return to Standby mode, press Stop/Clear.
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