TA 520i cannot enter service mode.

[KATAMBA]

I have a TA 520i but it cant enter service mode even when you use 10871087.
Ive done a firmware upgrade, system initialisation through the system menu but still it has failed to enter 10871087 mode.
All buttons are working well.
Pliz help

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[Kyo fan]

Re: TA 520i cannot enter service mode.

Open front door and than give it a try.

[KATAMBA]

Re: TA 520i cannot enter service mode.

Open front door and than give it a try.

Didnt work tho

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[bsm2]

Re: TA 520i cannot enter service mode.

try 3036 also check the key pad is working

[Trevor376]

Re: TA 520i cannot enter service mode.

did you try going to the status screen before trying 1087