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UPDATE: I swapped the 162A wire position on S17 E-Stop switch, Replaced the burnt CR1 Diode and re-soldered everything. I placed the genset S-1 in the Prime/Run position and checked the CR1 diode and 162A20 wire: NO HEAT. I tested the the fault panel: No Faults. Started the generator and had 2...

How about this theory, the CR1 wire that gets smoking hot is the 162A20 wire. Per the schematic, 162A wire leads directly to S17 emergency stop switch. E-Stop suction only has 2 wires. If that switch was wired backwards, could that be the reason 162A gets hot enough to melt the solder and fry...

I found MT4 on the schematic but I can't find it on the generator. Does anyone know where MT4 Battery Ammeter Shunt is physically located on the genset? Don't see anything marked MT4 anywhere inside the control panel. Also, don't have a clue what it looks like.

I found MT4 on the schematic but I can't find it on the generator. Does anyone know where MT4 Battery Ammeter Shunt is physically located on the genset?

Morning all, I traced my cables from the batteries to the Slave Receptacle and the starter. The positive cable is set on the bottom of the Slave lug and then leads to the starter. The negative lead is on top of the Slave lug and then leads to frame ground lug. My multi meter showed 24VDC without...

Morning Spotrep, I live in Longview, TX. we are a couple of hours away from Rockwall!

CR1 problem is persisting. I printed out the 644-10 initial adjustments before use and self test procedure. After resetting the Overspeed Reset switch (Fault Panel still plugged in) I placed the Master Switch in the Prime /Run position and was about to test the malfunction indicator panel when...

Guyfang, Thank you for the help! I downloaded all the TM's and will start studying. Hopefully this unit will make power soon!

Thank You for the help. I have attached 2 pictures and apologize if I named them incorrectly. 1. The fuel tank level indicator was free functioning and the ohms changed slightly when I moved the float arm up and down. 2. The other twin float assembly was also not stuck but it showed no ohm's...

I have a MEP 805A genset that has 293 hours post level 2 reset. Installed a new pair of batteries and main panel was dead. I discovered both wires at CR1 were detached from the lugs. I replaced the CR1 Diode and re-soldered both wires to the lugs. Main panel now has power but I have a "no fuel"...

Could I have caused the CR-1 wires to melt off of the terminals by hooking the negative cable to the batteries first upon installing the new batteries?

Thank you for the information. It is appreciated!!

My MEP 805A generator had no power to the entire control panel. During troubleshooting I discovered both wires melted off the CR-1 terminals. I am assuming that the batteries were installed incorrectly at some point. I verified the new batteries I installed are correctly wired in series for 24...

Thanks for the info. I found the wires melted off of the CR-1 Diode/resistor terminals so I think someone hooked up the batteries backwards. Now I am trying to find part numbers and a source to buy new resistors and diodes. Can you help with that? Thanks

Please enter me in the Hawker Giveaway!!

I have the same problem with my 805A. When I ohmed between the # 1 & 3 terminals of A1 I got a fluctuating reading between 1.7 and 2.1 on my meter. What does mean? Thanks