Current issue with new LATR cryocard

[tpsatt]

On one of the newly installed cryocards for the LATR (SMuRF crate 2 slot 4), we see that currents are erroneously reported at the maximal value regardless of gate/drain voltage. For example:

{'50k1_gate_volt': -0.19999947968,
 '50k1_drain_volt': 4.000003911132813,
 '50k1_drain_current': 55.33919736378285,
 '50k1_enable': True,
 '50k2_gate_volt': -0.49999869920000006,
 '50k2_drain_volt': 4.000003911132813,
 '50k2_drain_current': 55.33919736378285,
 '50k2_enable': True,
 'hemt1_gate_volt': -1.19999687808,
 'hemt1_drain_volt': 0.6000040744018553,
 'hemt1_drain_current': 33.80703452503872,
 'hemt1_enable': True,
 'hemt2_gate_volt': -1.19999687808,
 'hemt2_drain_volt': 0.6000040744018553,
 'hemt2_drain_current': 33.787134525038724,
 'hemt2_enable': True}

The system otherwise appears fine. The associated RTM is drawing a reasonable amount of current:

================================================================================
|  BAY |Det|Pre|Ena|Vok| Voltage | Current | Power | Alloc  | ID               |
================================================================================
| shm-smrf-sp01/4                                                              |
--------------------------------------------------------------------------------
| AMC0 | Y | Y | Y | Y | 11.856V |  2368mA | 28.1W | 102.0W | d400000163f2b970 |
| AMC1 | N | N | N |   | 11.820V |    12mA |  0.1W |   0.0W |                  |
| AMC2 | Y | Y | Y | Y | 11.802V |  2400mA | 28.3W | 102.0W | 1600000163f9bf70 |
| AMC3 | N | N | N |   | 11.910V |     8mA |  0.1W |   0.0W |                  |
|  CEN | Y | Y | Y | Y | 11.814V |  6776mA | 80.1W | 102.0W | 5a0000017cc53770 |
|  RTM | Y | Y | Y |   | 11.850V |  1435mA | 17.0W |  36.0W | 290000012ca9d170 |
--------------------------------------------------------------------------------

With up-to-date firmware:

================================================================================
| RTM | Pre | Ena | Alloc |   Type   | BTemp | JTemp |                         |
================================================================================
| shm-smrf-sp01/4                                                              |
--------------------------------------------------------------------------------
| RTM |  Y  |  Y  |  36.0 | 00001101 |   15C |       | Handle closed           |
| RMB |  N  |  N  |       |          |       |       |                         |
--------------------------------------------------------------------------------
================================================================================

And the cryocard's firmware is (4, 0, 7) (major, minor, patch).