diff --git a/src/spicelib/devices/hicum2/hicumL2.cpp b/src/spicelib/devices/hicum2/hicumL2.cpp
index 9f14fed39..b7d21b174 100644
--- a/src/spicelib/devices/hicum2/hicumL2.cpp
+++ b/src/spicelib/devices/hicum2/hicumL2.cpp
@@ -6,7 +6,7 @@ Spice3 Implementation: 2019 Dietmar Warning, Markus Müller, Mario Krattenmacher
 **********/
 
 /*
- * This file defines the HICUM L2.4.3 model load function
+ * This file defines the HICUM L2.4.0 model load function
  * Comments on the Code:
  * - We use dual numbers to calculate derivatives, this is readble and error proof.
  * - The code is targeted to be readbale and maintainable, speed is sacrificied for this purpose.
@@ -31,7 +31,7 @@ Spice3 Implementation: 2019 Dietmar Warning, Markus Müller, Mario Krattenmacher
  * - Qf
  * - Qr
  * - iavl
- * - iBEti (?)
+ * - iBEti
  * - itf, itr
  */
 
@@ -110,7 +110,7 @@ duals::duald HICDIO(duals::duald T, double IST, double UM1, duals::duald U)
 {
 duals::duald DIOY, le, vt;
 
-    printf("2");
+    // printf("2");
     vt = UM1 * CONSTboltz * T / CHARGE;
     DIOY = U/vt;
     if (IST > 0.0) {
@@ -536,7 +536,7 @@ void hicum_diode(double T, double IS, double UM1, double U, double *Iz, double *
     //wrapper for hicum diode equation that also generates derivatives
     duals::duald result = 0;
 
-    printf("executed diode");
+    // printf("executed diode");
 
     result = HICDIO(T, IS, UM1, U+1_e);
     *Iz    = result.rpart();
@@ -1654,7 +1654,6 @@ HICUMload(GENmodel *inModel, CKTcircuit *ckt)
 
             //Tunneling current
             //TODO: missing temperature derivatives abet_t vdei_t ibets_t cjei0_t vdep_t ibets_t cjep0_t
-            //@Mario: is there really no direct T dependence here?
             result      = calc_ibet(Vbiei, Vbpei+1_e);
             ibet        = result.rpart();
             ibet_Vbpei  = result.dpart();
diff --git a/src/spicelib/devices/hicum2/overview_files.md b/src/spicelib/devices/hicum2/overview_files.md
index abb94ecd6..e5bc1f64e 100644
--- a/src/spicelib/devices/hicum2/overview_files.md
+++ b/src/spicelib/devices/hicum2/overview_files.md
@@ -23,4 +23,8 @@ This file gives an overview of the files needed for the ngspice HiCUM version, e
 # hicum2setup.c
 # hicum2soachk.c
 # hicum2temp.c
+    * Temperature scaling of all parameters
+    * Models are implemented, missing are the derivatives
+    * As most models are easy and just temperature dependent -> no dual numbers
+    * Assignee: Mario
 # hicum2trunc.c
diff --git a/tests/hicum2/FG.cir b/tests/hicum2/FG.cir
index 3328ae9c9..ee259d6d9 100644
--- a/tests/hicum2/FG.cir
+++ b/tests/hicum2/FG.cir
@@ -23,11 +23,11 @@ Q1 Q1_C Q1_B Q1_E Q1_S Q1_T P1
 + fbcpar=0.3 fbepar=1 cjs0=2.6e-014 vds=0.9997 zs=0.4295 vpts=100
 + t0=2.089e-013 dt0h=8e-014 tbvl=8.25e-014 tef0=3.271e-013 gtfe=3.548 thcs=5.001e-012
 + ahc=0.05 fthc=0.7 rci0=9.523 vlim=0.6999 vces=0.01 vpt=2 tr=0
-+ cbepar=2.609e-014 cbcpar=1.64512e-014 alqf=0.166667 alit=0.333333 flnqs=1 kf=0
++ cbepar=2.609e-014 cbcpar=1.64512e-014 alqf=0.166667 alit=0.333333 flnqs=0 kf=0
 + af=2 cfbe=-1 latb=0 latl=0 vgb=0.91 alt0=0.004 kt0=6.588e-005
 + zetaci=0.58 alvs=0.001 alces=-0.2286 zetarbi=0.3002 zetarbx=0.06011 zetarcx=-0.02768
 + zetare=-0.9605 zetacx=0 vge=1.17 vgc=1.17 vgs=1.17 f1vg=-0.000102377 f2vg=0.00043215
-+ zetact=5 zetabet=4.892 flsh=1 rth=1113.4 cth=6.841e-012 zetarth=0
++ zetact=5 zetabet=4.892 flsh=0 rth=1113.4 cth=6.841e-012 zetarth=0
 + alrth=0.002 flcomp=0.0 tnom=26.85 acbar=1.5 flcono=0 icbar=0.01
 + vcbar=0.04 zetavgbe=0.7 hf0=40 ahjei=3 rhjei=2 delck=2 zetahjei=-0.5