Hoshizaki FM-170AKE-N, FM-300AKE-N, FM-480AKE-N, FM-600AKE-N, FM-480AWKE-N Service manual

NO. F054-812

ISSUED: AUG. 3, 2010

REVISED: APR. 24, 2015

HOSHIZAKI

MODULAR ICE MAKER

MODEL

FM-170,300AKE(-N) FM-480,600AKE(-N) FM-480,600AWKE(-N) FM-750,1000AKE(-N) FM-1200,1800ALKE(-N)

SERVICE MANUAL

CONTENTS	PAGE
I. SPECIFICATIONS --------------------------------------------------------------------------------------	1
1. DIMENSIONS/SPECIFICATIONS -----------------------------------------------------------------	1
[a] FM-170AKE -----------------------------------------------------------------------------------------	1
[b] FM-170AKE-N --------------------------------------------------------------------------------------	2
[c] FM-300AKE------------------------------------------------------------------------------------------	3
[d] FM-300AKE-N --------------------------------------------------------------------------------------	5
[e] FM-480AKE -----------------------------------------------------------------------------------------	7
[f] FM-480AKE-N ---------------------------------------------------------------------------------------	9
[g] FM-480AWKE--------------------------------------------------------------------------------------	11
[h] FM-480AWKE-N ----------------------------------------------------------------------------------	13
[i] FM-600AKE -----------------------------------------------------------------------------------------	15
[j] FM-600AKE-N --------------------------------------------------------------------------------------	17
[k] FM-600AWKE--------------------------------------------------------------------------------------	19
[l] FM-600AWKE-N -----------------------------------------------------------------------------------	21
[m] FM-750AKE----------------------------------------------------------------------------------------	23
[n] FM-750AKE-N -------------------------------------------------------------------------------------	25
[o] FM-1000AKE---------------------------------------------------------------------------------------	27
[p] FM-1000AKE-N------------------------------------------------------------------------------------	29
[q] FM-1200ALKE -------------------------------------------------------------------------------------	31
[r] FM-1200ALKE-N-----------------------------------------------------------------------------------	33
[s] FM-1800ALKE -------------------------------------------------------------------------------------	35
[t] FM-1800ALKE-N-----------------------------------------------------------------------------------	37
2. CONSTRUCTION -------------------------------------------------------------------------------------	39
[a] FM-170AKE(-N) -----------------------------------------------------------------------------------	39
[b] FM-300AKE(-N), FM-480AKE(-N), FM-600AKE(-N) -------------------------------------	40
[c] FM-480AWKE(-N), FM-600AWKE(-N)-------------------------------------------------------	41
[d] FM-750AKE(-N), FM-1000AKE(-N)-----------------------------------------------------------	42
[e] FM-1200ALKE(-N) --------------------------------------------------------------------------------	43
[f] FM-1800ALKE(-N)---------------------------------------------------------------------------------	44
[g] BIN CONTROL SWITCH AND SPOUT -----------------------------------------------------	45
II. MAINTENANCE AND CLEANING INSTRUCTIONS -----------------------------------------	46
1. EXTRUDING HEAD (UPPER BEARING), HOUSING (LOWER BEARING) -----------	46
2. MECHANICAL SEAL ---------------------------------------------------------------------------------	46
3. GEAR MOTOR-----------------------------------------------------------------------------------------	47
4. CONDENSER (AIR-COOLED MODEL ONLY) ------------------------------------------------	47
5. AIR FILTER (AIR-COOLED MODEL ONLY) ---------------------------------------------------	47
6. CONTROL WATER VALVE ------------------------------------------------------------------------	48
7. CLEANING OF WATER SYSTEM ----------------------------------------------------------------	49
III. TECHNICAL INFORMATION----------------------------------------------------------------------	51
1. WATER CIRCUIT AND REFRIGERANT CIRCUIT -------------------------------------------	51
[a] FM-170AKE(-N), FM-300AKE(-N), FM-480AKE(-N), FM-600AKE(-N) --------------	51
[b] FM-750AKE(-N), FM-1000AKE(-N)-----------------------------------------------------------	52
[c] FM-1200ALKE(-N) --------------------------------------------------------------------------------	53
[d] FM-1800ALKE(-N) --------------------------------------------------------------------------------	54
i

[e] FM-480AWKE(-N), FM-600AWKE(-N)-------------------------------------------------------	55
2. WIRING DIAGRAM -----------------------------------------------------------------------------------	56
[a] WIRING DIAGRAM-------------------------------------------------------------------------------	56
[b] CONTROL BOX LAYOUT ----------------------------------------------------------------------	84
3. ICEMAKING MECHANISM -------------------------------------------------------------------------	94
[a] EVAPORATOR (CASING)----------------------------------------------------------------------	95
[b] AUGER ----------------------------------------------------------------------------------------------	95
[c] EXTRUDING HEAD (BEARING) --------------------------------------------------------------	95
[d] HOUSING-------------------------------------------------------------------------------------------	95
[e] MECHANICAL SEAL-----------------------------------------------------------------------------	95
[f] COUPLING (SPLINE JOINT) -------------------------------------------------------------------	95
[g] GEAR MOTOR ------------------------------------------------------------------------------------	95
[h] BELT HEATER ------------------------------------------------------------------------------------	96
[i] REMOVABLE FLANGE --------------------------------------------------------------------------	96
[j] SEALING BOLT ------------------------------------------------------------------------------------	96
[k] CHUTE, BIN CONTROL SWITCH ------------------------------------------------------------	97
[l] BIN CONTROL SWITCH (Auxiliary code: D-0 or earlier) --------------------------------	98
[m] BIN CONTROL SWITCH (Auxiliary code: D-1 or later) ---------------------------------	98
[n] CHUTE SWITCH--------------------------------------------------------------------------------	100
[o] SPOUT, SPOUT COVER ---------------------------------------------------------------------	100
[p] CRANKCASE HEATER -----------------------------------------------------------------------	101
4. ELECTRIC CIRCUIT -------------------------------------------------------------------------------	101
[a] BASIC OPERATION ---------------------------------------------------------------------------	101
[b] TIMING CHART ---------------------------------------------------------------------------------	102
5. OPERATION BOARD ------------------------------------------------------------------------------	103
[a] OPERATION BUTTONS ----------------------------------------------------------------------	103
[b] SETTING MODEL NUMBER-----------------------------------------------------------------	103
[c] DISPLAYING COMPRESSOR OPERATING HOURS, CYCLE TIME, MODEL
NUMBER AND SOFTWARE VERSION ---------------------------------------------------	104
[d] DISPLAYING ERROR LOG ------------------------------------------------------------------	106
[e] RESETTING ERROR LOG -------------------------------------------------------------------	107
[f] RESETTING COMPRESSOR OPERATING HOURS ----------------------------------	107
[g] REDUCING COMPRESSOR STARTING TIME-----------------------------------------	107
6. PROTECTORS --------------------------------------------------------------------------------------	108
[a] INDICATION -------------------------------------------------------------------------------------	108
7. ERROR CODES -------------------------------------------------------------------------------------	109
8. PERFORMANCE DATA ---------------------------------------------------------------------------	111
[a] FM-170AKE --------------------------------------------------------------------------------------	111
[b] FM-170AKE-N -----------------------------------------------------------------------------------	112
[c] FM-300AKE---------------------------------------------------------------------------------------	113
[d] FM-300AKE-N -----------------------------------------------------------------------------------	114
[e] FM-480AKE --------------------------------------------------------------------------------------	115
[f] FM-480AKE-N ------------------------------------------------------------------------------------	116
[g] FM-480AWKE------------------------------------------------------------------------------------	117
[h] FM-480AWKE-N --------------------------------------------------------------------------------	118
[i] FM-600AKE ---------------------------------------------------------------------------------------	119
[j] FM-600AKE-N ------------------------------------------------------------------------------------	120
[k] FM-600AWKE------------------------------------------------------------------------------------	121
[l] FM-600AWKE-N ---------------------------------------------------------------------------------	122
ii

[m] FM-750AKE--------------------------------------------------------------------------------------	123
[n] FM-750AKE-N -----------------------------------------------------------------------------------	124
[o] FM-1000AKE-------------------------------------------------------------------------------------	125
[p] FM-1000AKE-N----------------------------------------------------------------------------------	126
[q] FM-1200ALKE -----------------------------------------------------------------------------------	127
[r] FM-1200ALKE-N---------------------------------------------------------------------------------	127
[s] FM-1800ALKE -----------------------------------------------------------------------------------	128
[t] FM-1800ALKE-N---------------------------------------------------------------------------------	128
IV. SERVICE DIAGNOSIS ---------------------------------------------------------------------------	129
1. NO ICE PRODUCTION ----------------------------------------------------------------------------	129
2. LOW ICE PRODUCTION--------------------------------------------------------------------------	131
3. OTHERS-----------------------------------------------------------------------------------------------	131
V. REMOVAL AND REPLACEMENT OF COMPONENTS-----------------------------------	133
1. SERVICE FOR REFRIGERANT LINES -------------------------------------------------------	133
[a] SERVICE INFORMATION --------------------------------------------------------------------	133
[b] REFRIGERANT RECOVERY----------------------------------------------------------------	134
[c] EVACUATION AND RECHARGE-----------------------------------------------------------	134
2. BRAZING----------------------------------------------------------------------------------------------	136
3. COMPRESSOR--------------------------------------------------------------------------------------	136
4. DRIER--------------------------------------------------------------------------------------------------	137
5. EXPANSION VALVE -------------------------------------------------------------------------------	138
6. WATER REGULATING VALVE - WATER-COOLED MODEL ONLY ------------------	139
7. EVAPORATOR ASSEMBLY ---------------------------------------------------------------------	140
8. CONTROL WATER VALVE ----------------------------------------------------------------------	143
9. FLUSH WATER VALVE ---------------------------------------------------------------------------	143
10. CONTROLLER BOARD ---------------------------------------------------------------------------	144
[a] MODIFICATION ---------------------------------------------------------------------------------	144
[b] REPLACEMENT --------------------------------------------------------------------------------	144

iii

I. SPECIFICATIONS

1. DIMENSIONS/SPECIFICATIONS

[a] FM-170AKE

1

[b] FM-170AKE-N

2

[c] FM-300AKE (Auxiliary code: D-0 or earlier)

3

(Auxiliary code: D-1 or later)

4

[d] FM-300AKE-N (Auxiliary code: D-0 or earlier)

5

(Auxiliary code: D-1 or later)

6

[e] FM-480AKE (Auxiliary code: D-0 or earlier)

7

(Auxiliary code: D-1 or later)

8

[f] FM-480AKE-N (Auxiliary code: D-0 or earlier)

9

(Auxiliary code: D-1 or later)

10

[g] FM-480AWKE (Auxiliary code: D-0 or earlier)

11

(Auxiliary code: D-1 or later)

12

[h] FM-480AWKE-N (Auxiliary code: D-0 or earlier)

13

(Auxiliary code: D-1 or later)

14

[i] FM-600AKE (Auxiliary code: D-0 or earlier)

15

(Auxiliary code: D-1 or later)

16

[j] FM-600AKE-N (Auxiliary code: D-0 or earlier)

17

(Auxiliary code: D-1 or later)

18

[k] FM-600AWKE (Auxiliary code: D-0 or earlier)

19

(Auxiliary code: D-1 or later)

20

[l] FM-600AWKE-N (Auxiliary code: D-0 or earlier)

21

(Auxiliary code: D-1 or later)

22

[m] FM-750AKE (Auxiliary code: D-0 or earlier)

23

(Auxiliary code: D-1 or later)

24

[n] FM-750AKE-N (Auxiliary code: D-0 or earlier)

25

(Auxiliary code: D-1 or later)

26