Section VII
Trouble-Shooting Guide
006-0006452 MPC-1500 Operator Guide
Rev P
47 of 48
03/03/2021 www.synqor.com
▪ After a while, the MPC decides the DC INPUT voltage is back within its proper range, and
begins to draw a current from the DC INPUT.
▪ The cycle above repeats itself for a total of three times, at which point the MPC stops
trying to draw power from the DC INPUT for one minute. After this one minute another set
of 3 cycles are repeated, followed by another stop for one minute, and so on.
This same problem can also occur for the AC INPUT if the voltage at the AC source is close to the
specified 80 Vrms minimum limit. In this case the MPC will try ten times before stopping for a
one minute interval.
The solution to this problem is to make sure that the cable has wires of sufficient diameter, or
“gauge” for the length of the cable. The longer the cable, the bigger diameter the wire should
have.
See the section “Power Cable Wire Size” for recommended cable wire sizes.