M4100 POE not turned on after reboot

We have 2 x  M4100-50G-POE+ (GSM7248Pv1h1)

Upgraded the FW of 1 unit to 10.0.2.35 (from 10.0.2.26) & rebooted. - all working well & POE is on (was working before upgrade) 

Upgraded the 2nd unit to 10.0.2.35 (from 10.0.2.26) & rebooted - POE is not working

used CLI to turn on the POE - no help

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POE info of bad unit

from sw105
(M4100-50G-POE+) (Config)#show poe

Firmware Version............................... Request timeout
PSE Main Operational Status.................... Request timeout
Power Source................................... Main AC
Threshold Power................................ Request timeout
Total Power Consumed........................... Request timeout
Usage Threshold................................ 90
Power Management Mode.......................... Dynamic
Traps.......................................... Enable

POE info of good unit

from sw016
(M4100-50G-POE+) (Config)#show poe

Firmware Version............................... 1.8.0.1
PSE Main Operational Status.................... ON
Total Power (Main AC).......................... 384 W
Total Power (RPS).............................. 0 W
Power Source................................... Main AC
Threshold Power................................ 345600 mW
Total Power Consumed........................... 9500 mW
Usage Threshold................................ 90
Power Management Mode.......................... Dynamic
Traps.......................................... Enable

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any suggestions on how to turn on POE?

Since it is a main production switch, It causes a major disturbance to reboot the switch.