Technibel Climatisation GRFMI 1158 R7I, Руководство по обслуживанию и руководство по проведению испытательных запусков

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2-WAY MULTISET VRF SYSTEM
Trouble Diagnosis
7
1. 2WAY VRF DCI Alarm Codes
L10 Alarm
Alarm code L10
Alarm mea n i ng O u tdoor un it capacity n ot s et
Alarm co n ditio ns The o u tdoor un it capacity ha s n ot bee n s et, or the s etti ng i s n ot allowed by the s y s tem.
Probable ca us e Thi s alarm occ u r s beca us e the capacity ha s n ot bee n s et.
Check Co nn ect the o u tdoor un it mai n te n a n ce remote co n troller. O n the o u tdoor un it EEPROM detailed
s etti ng mode s cree n , check the val u e for the o u tdoor un it capacity (item code 8 1). Check that it i s
n ot s et to “0” or to a capacity that i s n ot allowed.
Correctio n If item code 8 1 i s i n correct, us e the o u tdoor un it mai n te n a n ce remote co n troller a n d s et it
correctly.
* After cha
ng i ng the s etti ng , be su re to re s et both the i n door a n d o u tdoor power.
Example
Note
s The o u tdoor un it mai n te n a n ce remote co n troller i s req u ired i n order to s et the capacity i n the
o u tdoor un it EEPROM.
L17 Alarm
Alarm code L17
Alarm mea n i ng O u tdoor un it model mi s match
Alarm co n ditio ns Thi s alarm occ u r s whe n a un it other tha n a R410A refri g era n t model i s co nn ected.
Probable ca us e (1) A un it that us e s R407C refri g era n t, or a R22 model un it, wa s co nn ected by mi s take.
(2) The co nn ected un it i s correct, however the refri g era n t type s etti ng i n the o u tdoor un it
EEPROM (item code 8 0) i s i n correct.
Check (1) Check the refri g era n t type at the co nn ected un it.
(2) U s e the o u tdoor un it mai n te n a n ce remote co n troller a n d check the item code 8 0 refri g era n t
type. If the s etti ng i s i n correct, cha ng e it to R410A.
Correctio n
Example
Note
s The o u tdoor un it mai n te n a n ce remote co n troller i s req u ired i n order to s et the refri g era n t type i n
the o u tdoor un it EEPROM.
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L06 Alarm
Alarm code L06
Alarm mea n i ng D u plicated i n door un it priority (alarm at n o n -priority i n door un it s a n d o u tdoor un it)
Alarm co n ditio ns M u ltiple i n door un it s s et a s the priority un it were detected i n the s y s tem.
Probable ca us e More tha n o n e i n door un it i s s et a s the priority un it i n the s y s tem.
Check Fi n d the i n door un it s i n the s y s tem where alarm L05 ha s occ u rred.
Correctio n
Example —
Note s Alarm L06 occ u r s a s a re su lt of alarm L05. Therefore, correcti ng the d u plicated priority
s etti ngs will al s o correct alarm L06.
Refer to the de s criptio n of alarm L05.
L1 8 alarm
Alarm code L1 8
Alarm mea n i ng 4-way valve operatio n fail u re
Alarm co n ditio ns D u ri ng heati ng operatio n (Comp. ON), the hi g he s t detected temperat u re at a n o u tdoor un it heat
excha ng er (EXG 1, EXG 2, EXL1, or EXL2) wa s 20°C or more above the o u tdoor air temperat u re
(Air Temp.) co n ti nu o us ly for 5 mi nu te s or lo ng er, or the detected su ctio n temperat u re ( S CT) wa s
20°C or more above the o u tdoor air temperat u re co n ti nu o us ly for 5 mi nu te s or lo ng er.
Probable ca us e (1) The 4-way valve co nn ector (20 S CN060) ha s become di s co nn ected from the co n trol PCB.
(2) The 4-way valve circ u it i s locked (mal f un ctio n i ng ).
Check (1) Check the 4-way valve co nn ector (20 S CN060).
(2) If the co nn ector i s n ormal, check the 4-way valve wiri ng a n d the PCB circ u it.
Correctio n If the co nn ector i s n ormal, correct or replace the problem locatio ns .
Example
Note
s
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