|37-, 39-, 137- or 240-
|These error codes are associated with the LogCard or the PM Memory if no LogCard is used.
|This error code indicates there is a problem with the LogCard format.
|This error occurs when the PM cannot properly compute the drag factor.
|120- through 129-
|These error codes occur when the monitor is being used with external or third-party software.
|This error code applies only when the rechargeable battery pack is in use with the PM4.
|This error occurs when powering up the performance monitor.
|This error code is a result of damaged pins inside the RJ45 jack, usually caused by inserting a non-RJ45 plug into this port.