Ctek D250S Error

Submitted: Friday, Feb 10, 2017 at 20:16
ThreadID: 134279 Views:3727 Replies:4 FollowUps:1
This Thread has been Archived
In this archived thread I shared a video of an error sequence I was getting on my Ctek D250S

The thread ended with me suggesting all was fixed, but not so.

I ended up contacting Ctek and showing them the video. I was told it had failed and unfortunately it was outside the 2 year warranty period. They'd never seen that error sequence before. When I inquired about the potential for it to be assessed for repair, I was informed Ctek doesn't offer a repair service, but it was suggested that I inspect the 30A fuse inside the unit.

There are two 30A blade fuses inside. One had blown. Replaced fuse. All working normally again. I'm obviously grateful for the advice.
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Reply By: RMD - Friday, Feb 10, 2017 at 20:44

Friday, Feb 10, 2017 at 20:44
The fault would likely to be inside?
Ctek never had that issue, I don't think so. There lies the backup with modern gear.
AnswerID: 608449

Reply By: gbc - Friday, Feb 10, 2017 at 22:26

Friday, Feb 10, 2017 at 22:26
I have had similar with mine. No doubt it was operator error in my case shorting out a terminal by accident. I'm glad you got a result. I am told the newer 250's have soldered fuses rather than 30a blades like ours. Stuffs me why you wouldn't make them accessible without breaking factory seals.
AnswerID: 608455

Reply By: Sigmund - Saturday, Feb 11, 2017 at 06:10

Saturday, Feb 11, 2017 at 06:10
Good lesson.
AnswerID: 608461

Reply By: CSeaJay - Saturday, Feb 11, 2017 at 14:09

Saturday, Feb 11, 2017 at 14:09
I had the same sequence. Basically trying to connect to the solar for charging but then bombing out. Repeat.
I was told this is when there is not enough solar to hold on to the charging regime. Given I only had a 50 W panel, when I added another panel the added a solar panel it connected and charged correctly.
AnswerID: 608472

Follow Up By: Tim Owen - Saturday, Feb 11, 2017 at 17:30

Saturday, Feb 11, 2017 at 17:30
If I were you I'd be opening it up and checking the fuses. I'm no expert, but I don't think you should get an error just because of low amps available on the solar input side.
FollowupID: 878218

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