Sharp JH-1600E Service Manual download pdf (Page 33)

Checking System Condition after Service

1. Checking DC input

I. Confirm that DC and AC power breaker are turned off. If they are turned on, turn off them.

II. Remove the wiring box cover of the solar power conditioner.

III. Measure the voltage of PV string on the input side of the DC breaker.

 If the PV voltage is more than 70V, turn on the DC breaker.

 If the PV voltage is less than 70V, check the PV modules DC breaker, and DC cable.

IV. Measure the DC terminal voltage in the wiring box, and confirm that it is more than 70V.

 If the terminal voltage of the DC input more than 70V: The solar power conditioner is

starting.

 If the terminal voltage of the DC input is less than 60V: The solar power conditioner is

stopped.

2. Checking solar power conditioner display

Check the status of the solar power conditioner display. (DC input voltage is more than 70V.)

 Error code “F-01” displayed: It is right because the AC power breaker is turned off.

 No displayed: The display of solar power conditioner or its cable fail.

3. Checking contents of solar power conditioner display

Check all parameters setting of solar power conditioner. If “OFF ” is displayed: Press “ENT”

button for more than 5 seconds in the wiring box, and confirm display shows “F-01” instead of

“OFF”. It means that DC status is OK.

4. Checking AC

I. Turn off DC breaker.

II. Turn on AC breaker.

III. Checking utility voltage on the AC terminal block in the wiring box, the utility voltage must

be between 210 V

and 255 V

(depending on parameters setting). If the voltage is

different, check the utility cable.

Confirming operation

I. Turn on the DC breaker and AC breaker.

II. Check the display of the solar power conditioner. If “0” and green LED twinkle are displayed

after 150 seconds countdown, all the status is OK. The solar power conditioner is running

after count down.

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Sharp JH-1600E Service Manual Page 33