Specifications
3-12  Compaq ProLiant ML350 Maintenance and Service Guide 
Table 3-2 
POST Error Messages 
continued 
Error Code  Audible Beeps  Probable Source of 
Problem 
Action 
215-
Nonfunctioning 
Voltage Regulator 
Module for 
Processors 
None PPM (DC-DC 
converter) failed or 
lost redundancy. 
Run Diagnostics. Replace failed 
assembly as indicated. 
216-Voltage 
Regulator Module 
for Processor X no 
longer redundant 
None  Redundancy failed in 
PPM. 
To restore redundancy, replace the 
PPM. 
216-Processor 
PPM has lost 
Redundancy, 
Module X 
None  Indicated PPM has 
lost redundancy. 
Replace failed assembly as indicated. 
218-Cache 
Accelerators Not 
Installed. System 
Halted 
None Cache Accelerators 
not installed or 
improperly installed. 
Check Cache Accelerator installation. 
219-Tag Update 
Rules SRAM 
Failure. System 
Halted 
None Catastrophic chipset 
failure occurred. 
Call Compaq authorized service 
provider. 
219-Snoop Rules 
SRAM Failure. 
System Halted 
None Catastrophic chipset 
failure occurred. 
Call Compaq authorized service 
provider. 
220-cache 
accelerator Slot X 
Initialization 
Failed. System 
Halted 
None  Cache Accelerator in 
slot X improperly 
installed or bad. 
Check Cache Accelerator installation 
and if properly installed, replace. 
221-Power Fault 
On Processor 
Bus X 
None  A PPM on indicated 
bus is in a failed 
state. 
Run Diagnostics. Replace failed 
assembly as indicated. 
301-Keyboard 
Error 
None Keyboard failure 
occurred. 
Power down the computer, then 
reconnect the keyboard. 
continued 










