•Control that Vital/Pluto is working properly when the muting is active. Troubleshooting LED indication Expected causes of faults Checking and measures to take Mute LED off (on Tina 5A) No dynamic signal to S1 Check dynamic signal input Mute resistor removed Mount a new 820 Ω/ 2 W resistor at terminals L1-L2 Mute LED off (external) Mute lamp broken Replace the mute lamp Wrong mute lamp (1 W < Watt < 5 W) Replace the mute lamp with a suitable one No lights Loss of power supply Check 24 VDC / 0 VDC power supply Weak lights The unit is defect The unit needs to be replaced. Contact ABB Jokab Safety. Warning! Replace defected unit with a new one and never bypass the safety circuit.2TLC172131M0201, rev. D 12 2014-03-11
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