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