Danfoss MCB 152 Operating Instructions Manual page 40

Maintenance, Diagnostics an...
Error
No.
77 Internal error: Fail-safe
data CRC mismatch.
Reaction: STO.
78 Internal error: S1 S2
Communication Channel.
Reaction: STO.
80 Internal error: No CAN
communication. Reaction:
STO.
81 Internal error:
Undervoltage Vuc1.
Reaction: STO.
82 Internal error: Overvoltage
Vuc1. Reaction: STO.
83 Internal error:
Undervoltage 24v IO.
Reaction: STO.
84 Internal error: Overvoltage
24v IO. Reaction: STO.
85 Internal error:
9 9 Undervoltage Vuc2.
Reaction: STO.
86 Internal error: Overvoltage
Vuc2. Reaction: STO.
87 Internal error:
Undervoltage int5v.
Reaction: STO.
88 Internal error: Overvoltage
int5v. Reaction: STO.
89 Internal error: Memory
error S2. Reaction: STO.
90 Internal error: Memory
error S1. Reaction: STO.
91 Internal error:
Undervoltage Vuc2 PLL.
Reaction: STO.
92 Internal error: Overvoltage
Vuc2 PLL. Reaction: STO.
93 Internal error:
Undervoltage Vuc2 Core.
Reaction: STO.
94 Internal error: Overvoltage
Vuc2 Core. Reaction: STO.
95 Internal error:
Undervoltage Vuc2
SDRAM. Reaction: STO.
96 Internal error: Overvoltage
Vuc2 SDRAM. Reaction:
STO.
38
Description Reason
The CRC of the safety
option does not match
the stored CRC value on
the frequency converter.
Severe exceptional error
caused by the program
run in the safety option.
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Safety Option MCB 152
Action
Configure the safety
option with MCT 10 safe
plug-in or by CRC
select/LCP copy
Perform one of the
following actions:
•
Power cycle the
frequency converter.
•
Restart the safety
option using
parameter
42-90 Restart Safe
Option.
•
If the problem
persists, contact
Danfoss.
Led Indications
LED1 LED 2 LED 3
Status of LED 1 and If safe
LED2 depends on safety fieldbus is
function state assigned enabled,
to DI1 and DI2. the status
of LED3
depends
on the safe
fieldbus
status.
Otherwise
LED3 is off.
LED4
Red
constant
MG37F102