CO
2
Incubator BB 150 Operating Instructions
41
6.
Handling and control
6.9
Failure code list
N o va lue s d is p layed
C om m unicatio n b etw ee n
dis play and C PU - m ain
boa rd faulty
C ontact Servic e
42
N V R AM rea d failure
N V R AM faulty,
default values lo aded
C ontact Servic e
43
N V R AM rea d failure
N V R AM faulty,
m irro red valu es loa ded
C ontact Servic e
44
N V R AM fa ulty
C O m e as urin g c ell
va lue s n ot overw ritten,
devic e wo rks w ith d efa ult
va lue s
C ontact Servic e
54
Man ipu lated va riable
failu re
C alculatio n e rror, device
perform ed R ESET
C ontact Servic e
55
I C bus failure
D ata trans fer faulty,
m eas ured va lue qu ality
dropped be low 50 %
Elim in ate s ourc e of inte rference, e.g.
cellula r phone
66
D evia tion of tem perature
s e ns ors from on e a nother
Tem perature s ign al
plaus ibility doub tful
C ontact Servic e
77
C O ca l ra nge exc eeded
Max. adjus tm ent valu e
exceede d
C ontact Servic e
88
Fa ilure u pon auto-s ta rt
Total time elap s ed or
m ax. adjus tme nt va lue
exceede d
R epeat auto-s tart
99
D evic e doors o pen
D oors open for m ore than
10 m in ute s , doo r s w itch
C lo s e device doo rs , tes t door s w itch for
correc t function
100
Te m pe rature below
no m inal value
Actual value < nom inal
va lue –1 ° C
C ontact Servic e
101
Te m pe rature above
no m inal value
Actual value > nom inal
va lue +1 ° C
D o not exceed am bient tem pe rature limit
104
Te m pe rature s ens or
faulty
Sens or circ uit
ope n/s horted
C ontact Servic e
200
C O be low nom inal value
Act. val. < nom . val. –1 %
• N o C O
• Prepres s ure lo w
• Sup ply line blocke d
C heck g as s upply:
• C onne ct ne w ga s c ylin der
• R ais e pre pre s s ure to 1 bar
• C hec k s upply line to device
201
C O ab ove nom inal value
Act. val. > nom . val. +1 %
• Prepres s ure high
C heck g as s upply:
• R educ e prep res s ure to 1 bar
204
C O m eas uring cell faulty
Sens or circ uit
ope n/s horted
C ontact Servic e
500
Te m pe rature 90° C
routin e b elo w no m inal
valu e
Actual value < 85° C
R epeat deco nta m ination routine, c ontact
s ervice as re quired
C o d e
D e scr ip tio n
C a u se
R e p a i r
? ? ?
501
Te m pe rature 90° C
routin e a bove no m inal
valu e
Actual value > 85° C
C ontact Servic e
502
Fa ilure in 90° C ro utine
Pow er failure du ring
hea ting or ho lding pha s e
Silenc e ala rm by pre s s ing key 90 ° C " (2
tim es 5 s ec.), th en res tart routin e
2
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