Hoshizaki KMD-900MRH User Manual

3

Please review this manual. It should be read carefully before the icemaker is serviced or
maintenance operations are performed. Only qualified service technicians should
service and maintain the icemaker. This manual should be made available to the
technician prior to service or maintenance.

1. KMD-700MAH .............................................................................................................. 5
2. KMD-700MWH ............................................................................................................. 6
3. KMD-700MRH .............................................................................................................. 7
4. KMD-900MAH .............................................................................................................. 8
5. KMD-900MWH ............................................................................................................. 9
6. KMD-900MRH ............................................................................................................ 10
7. Condensing Unit......................................................................................................... 11

[a] KMD-700MAH ..................................................................................................... 13
[b] KMD-700MWH .................................................................................................... 14
[c] KMD-700MRH ..................................................................................................... 15
[d] KMD-900MAH ..................................................................................................... 16
[e] KMD-900MWH .................................................................................................... 17
[f] KMD-900MRH ...................................................................................................... 18

[a] Solid-State Control .............................................................................................. 19
[b] Controller Board .................................................................................................. 19
[c] Sequence ............................................................................................................ 23
[d] Controls and Adjustments ................................................................................... 26
[e] Checking the Controller Board ............................................................................ 30

[a] Proximity Switch .................................................................................................. 31
[b] Explanation of Operation ..................................................................................... 31
[c] Troubleshooting ................................................................................................... 32

[a] KMD-700MAH and KMD-900MAH ...................................................................... 33
[b] KMD-700MWH and KMD-900MWH .................................................................... 34
[c] KMD-700MRH and KMD-900MRH ...................................................................... 35

[a1] KMD-700MAH and KMD-700MWH (auxiliary code R-0 and earlier) ................. 36
[a2] KMD-700MAH and KMD-700MWH (auxiliary code R-1 and later) .................... 37
[b1] KMD-700MRH  (auxiliary code R-0 and earlier) ................................................ 38
[b2] KMD-700MRH (auxiliary code R-1 and later) .................................................... 39
[c1] KMD-900MAH and KMD-900MWH (auxiliary code R-0 and earlier) ................. 40
[c2] KMD-900MAH and KMD-900MWH (auxiliary code R-1 and later) .................... 41
[d1] KMD-900MRH (auxiliary code R-0 and earlier) ................................................. 42
[d2] KMD-900MRH (auxiliary code R-1 and later) .................................................... 43